October Weather in Cambridge, United States

Last updated: February 24, 2025

October in Cambridge, United States, showcases a vibrant transition into the heart of autumn, with temperatures ranging from a maximum of 27°C (81°F) to a minimum of 0°C (33°F). The average temperature settles at a comfortable 13°C (57°F), inviting residents and visitors to enjoy the crisp air and beautiful fall foliage. Rainfall is notable this month, with a total of 146 mm (5.8 in) spread over 11 days, contributing to the region's lush landscapes. With humidity levels hovering around 78%, the atmosphere carries a refreshing briskness, perfect for outdoor activities and picturesque strolls through the city's parks and historic streets.

October Temperature in Cambridge

As October arrives in Cambridge, United States, the weather transitions into a more temperate phase, offering a refreshing mix of autumnal chill and occasional warmth. With minimum temperatures averaging around 0°C (33°F), the crisp air sets the stage for vibrant fall foliage. Daytime temperatures reach a pleasant average of 13°C (57°F), allowing residents and visitors to enjoy outdoor activities amidst the stunning landscapes. The maximum temperatures can soar up to 27°C (81°F), providing brief glimpses of summer's lingering warmth. This month marks a delightful balance as the community embraces sweater weather while still relishing in the last vestiges of sunshine before winter’s chill takes hold.

October Weather in Cambridge: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Cambridge, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec313337475766727266564435
Data source: Temperature data for Cambridge generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Cambridge

October in Cambridge, United States, stands out for its notable increase in precipitation, with 146 mm (5.8 in) recorded over 11 days. This marked rise in rainfall makes October one of the wettest months of the year, surpassing even the previously rainy April. The trend shows a shift from the drier summer months, where rainfall was significantly lower—such as August’s 72 mm (2.8 in)—indicating a transition to the wetter fall season. As autumn deepens, these elevated precipitation levels play a crucial role in replenishing local ecosystems and preparing the landscape for winter. Overall, October brings a vibrant splash of rain that contrasts sharply with the preceding months, highlighting the seasonal shift in Cambridge’s climate.

October Precipitation Trends in Cambridge

The chart displays monthly precipitation patterns in Cambridge, with values for each month alongside October's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec77969614191871167284146101129
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in Cambridge

In October, Cambridge experiences a noticeable shift in humidity levels, with 78% humidity marking a transition from the drier summer months. This increase follows the relatively lower humidity of 66% in August and 71% in September, indicating a return to the more humid conditions typical of autumn. As temperatures cool and foliage transforms, the rise in humidity prepares the city for the crisper air of late fall. Notably, this trend sets the stage for the upcoming months, as November sees humidity levels climb back to 84%, reminiscent of the winter months. Thus, October serves as a bridge between the dry summer heat and the chilly, moisture-rich air of winter, reinforcing the cyclical nature of Cambridge's climate.

October Average Humidity in Cambridge

This chart illustrates the average monthly humidity levels in Cambridge, with October's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how October's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%82%80%72%72%67%66%71%79%84%81%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Cambridge

In October, Cambridge, United States, experiences a moderate UV Index of 6, indicating a shift from the intense summer sun into the more temperate fall season. This month provides a high exposure category, with a burn time of 25 minutes—a slight decrease from September's 7 UV Index. As the year progresses, there's a noticeable trend of decreasing UV levels from the peak in summer, enabling residents and visitors to enjoy outdoor activities with a bit more caution than in the previous months. It's essential to stay mindful of UV exposure, even as the warmth recedes. For more information, check the detailed Cambridge UV Index.

Maximum UV Index Levels in Cambridge for October

The chart shows the monthly maximum UV Index (UVI) for Cambridge in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec3558910997642
Data source: Cambridge October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

October Sunshine in Cambridge

As autumn settles in, October in Cambridge brings a delightful 221 hours of sunshine, offering a gentle transition from the vibrant summer months. Following a peak in July and August with over 330 hours of bright skies, the daylight begins to wane but still holds its charm. This month marks a noticeable drop from the summer highs, yet remains bountiful compared to the winter months ahead, such as November's 201 hours and December's 178 hours. The gradual decrease in sunlight reflects the changing season, as trees don their colorful coats and the air takes on a crisp quality. This blend of warmth and coolness in October creates an inviting atmosphere, perfect for enjoying the fall foliage and outdoor activities before the chill of winter arrives.

Monthly Sunshine Duration in Cambridge: October Highlighted

The October sunshine duration represents the total number of hours Cambridge experiences direct sunlight during the month of October, excluding cloudy or obstructed periods. This chart compares the sunshine duration of October with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec152h188h253h240h289h327h334h327h278h221h201h178h
Data source: Cambridge October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Cambridge During October

As October unfolds in Cambridge, the likelihood of sunny weather hovers at 39%, indicating a modest chance for bright days amid the onset of fall. This percentage reflects a slight increase from the summer months, where sunshine is less prevalent, peaking in March at 61% before tapering off during the hotter months. Compared to September's 44%, October offers a more subdued, yet comforting climate as the vibrant colors of autumn take center stage. The trend suggests that while the days may be shorter and cooler, there’s still a delightful possibility of basking in the sun before winter sets in.

Percentage of Sunny Days in October in Cambridge

The chart illustrates the percentage of sunny days in Cambridge throughout the year, with October highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Cambridge experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec44%34%61%41%38%40%33%30%44%39%55%33%
Data source: Cambridge October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Cambridge in October

As October rolls around in Cambridge, United States, daylight begins to wane, offering just 10 hours of light each day. This marks a noticeable decline from the sun-drenched days of summer, where June peaked at 15 hours of daylight. Following the bright months of May and June, the gradual reduction in daylight persists through the fall, with September still holding onto 12 hours before October’s shorter days set in. This trend of diminishing daylight continues into the chillier months, with November and December trailing at 9 hours. The ebb and flow of daylight not only signals the changing seasons but also sets the stage for cozy autumn evenings as nature prepares for the winter ahead.

Average Daylight Hours in Cambridge for October

The chart illustrates the variation in daylight duration in Cambridge throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 26m10h 33m11h 57m13h 24m14h 38m15h 14m14h 54m13h 49m12h 26m10h 59m9h 44m9h 5m
Data source: Cambridge daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Cambridge

As October graces Cambridge, a gentle breeze begins to dance through the vibrant streets, with an average wind speed of 4.2 m/s (9 mph). This slight uptick in windiness compared to the summer months, where speeds dipped to 4.0 m/s or lower, reflects the seasonal shift towards cooler weather. Interestingly, October's winds echo the fall seasons seen in November and December, suggesting a consistent pattern as temperatures gradually decline. In this month of crisp autumn air, the invigorating gusts invite residents to enjoy outdoor activities, while also signaling the approach of winter's chill.

Average October Wind Speed in Cambridge

The chart displays monthly wind speed patterns in Cambridge, with values for each month shown alongside October's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how October's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.54.44.94.24.03.83.33.23.74.2 m/s4.24.2
Data source: Cambridge October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Cambridge Compares to Other Months

The weather in Cambridge changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of October's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Cambridge and find detailed weather information for every month.

In October, temperatures range from a cool 0°C (33°F) at night to a warm average of 13°C (57°F), peaking at 27°C (81°F) during the day, accompanied by significant rainfall of 146 mm (5.8 in) over 11 days and a humidity level of 78%. In contrast, January presents a much colder climate, with temperatures dipping as low as -20°C (-3°F) and averaging around 0°C (32°F), with highs reaching only 19°C (67°F). January experiences less precipitation, totaling 77 mm (3.0 in) over 9 days, but has a higher humidity level of 86%. For more detailed insights on winter weather, check out Cambridge weather in January.

October and February present distinctly different weather patterns. In October, temperatures range from a cooler 0°C (33°F) at night to a warm 27°C (81°F) during the day, with an average of 13°C (57°F). The month experiences significant rainfall, totaling 146 mm (5.8 in) over 11 days, and the humidity hovers around 78%. In contrast, February ushers in much colder conditions, with nighttime temperatures plunging to -16°C (4°F) and daytime highs peaking at 19°C (66°F), averaging just 1°C (33°F). Precipitation is lower than in October at 96 mm (3.8 in) over the same number of days, while humidity slightly increases to 84%. For more details about February weather, you can check Cambridge weather in February.

In October, the weather is milder, with average temperatures ranging from a chilly 0°C (33°F) at night to a warm 27°C (81°F) during the day, while March experiences colder conditions, with temperatures dipping as low as -14°C (7°F) and peaking at 19°C (66°F). Precipitation is more prevalent in October, with 146 mm (5.8 in) spread over 11 days compared to March, which sees 96 mm (3.8 in) of rain across 10 days. Humidity levels are slightly higher in March at 82%, compared to 78% in October, indicating a somewhat damp atmosphere in late winter. For more insights on March weather, you can check Cambridge weather in March.

When comparing the weather in October and April, both months exhibit notable temperature ranges and precipitation patterns. In October, the minimum temperature is slightly warmer at 0°C (33°F) compared to April's chillier -2°C (28°F). However, April features a similar average maximum temperature of 26°C (79°F) like October, which peaks at a maximum of 27°C (81°F). Rainfall is comparable as well, with October receiving 146 mm (5.8 in) over 11 days, while April sees 141 mm (5.6 in) across 13 days. Humidity levels are also similar, with October at 78% and April slightly higher at 80%. For more details on April weather, visit Cambridge weather in April.

In October, the weather exhibits a broader temperature range, with minimums dropping to 0°C (33°F) and maximums reaching up to 27°C (81°F), resulting in an average temperature of 13°C (57°F). The month also brings significant rainfall, totaling 146 mm (5.8 in) over 11 days and higher humidity at 78%. In contrast, May presents milder conditions, starting with a minimum temperature of 3°C (37°F) and peaking at 30°C (87°F), with an average of 14°C (57°F). Additionally, May features less precipitation, accumulating 91 mm (3.6 in) over the same number of days, coupled with a lower humidity of 72%. For more details on May weather, check out Cambridge weather in May.

When comparing the weather in October and June, notable differences emerge. October experiences cooler temperatures with a minimum of 0°C (33°F) and an average of 13°C (57°F), while June boasts milder conditions, with a minimum of 8°C (46°F) and an average of 19°C (66°F). In terms of maximum temperatures, June is warmer, reaching up to 32°C (91°F), compared to October’s maximum of 27°C (81°F). Precipitation is higher in October, totaling 146 mm (5.8 in) across 11 days, versus June's 87 mm (3.4 in) over 10 days. Moreover, October has a slightly higher humidity level at 78%, compared to June's 72%. For a closer look at June weather specifics, you can visit Cambridge weather in June.

In comparing the weather between October and July, we see notable differences in temperature and humidity levels. October features a broader temperature range, with daytime highs reaching up to 27°C (81°F) and nighttime lows dropping to 0°C (33°F), averaging around 13°C (57°F). In contrast, July offers warmer temperatures, with a minimum of 14°C (57°F) and a maximum of 33°C (91°F), averaging 22°C (73°F). Additionally, October experiences slightly more precipitation than July, with 146 mm (5.8 in) of rain over 11 days compared to July's 116 mm (4.6 in) during the same number of days. Humidity levels also peak in October at 78%, compared to July's more comfortable 67%. For a closer look at July's weather specifics, check out Cambridge weather in July.

In comparing the weather of October and August, it's clear that October experiences a broader temperature range, with minimums dropping to 0°C (33°F) and maximums reaching up to 27°C (81°F). In contrast, August maintains a warmer climate, consistently holding minimums at 13°C (56°F) and maximums peaking at 32°C (91°F). Additionally, October sees significantly higher precipitation levels, totaling 146 mm (5.8 in) over 11 days, compared to August's 72 mm (2.8 in) across just 10 days. This means October is both cooler and wetter, with higher humidity levels at 78% compared to August's 66%. For more details on August weather, visit Cambridge weather in August.

In comparing the weather between September and October, it's evident that October experiences cooler temperatures, with a minimum of 0°C (33°F) compared to September's minimum of 7°C (45°F). The average temperature also drops from 19°C (66°F) in September to 13°C (57°F) in October, while the maximum temperature decreases from 32°C (90°F) in September to 27°C (81°F) in October. Furthermore, October sees significantly more precipitation, with 146 mm (5.8 in) over 11 days, compared to September's 84 mm (3.3 in) over 8 days. The humidity levels are also higher in October at 78%, in contrast to 71% in September. For more detailed insights, check out Cambridge weather in September.

October's weather presents a warm transition into fall, with average temperatures around 13°C (57°F) and highs reaching up to 27°C (81°F). The month experiences significant precipitation, totaling 146 mm (5.8 in) over approximately 11 days, contributing to a humidity level of 78%. In contrast, November brings cooler conditions, with average temperatures dropping to 6°C (44°F) and minimums plummeting to -11°C (13°F). The month sees reduced precipitation of 101 mm (4.0 in) across about 10 days, and humidity rises slightly to 84%. For more details on what to expect, check out Cambridge weather in November.

October and December present quite contrasting weather experiences. In October, temperatures range from a minimum of 0°C (33°F) to a maximum of 27°C (81°F), with an average of 13°C (57°F), creating a mild autumn atmosphere. The month sees significant rainfall, totaling 146 mm (5.8 in) over 11 days, and maintains a humidity level of 78%. In contrast, December temperatures drop considerably, with a minimum of -18°C (0°F) and a maximum of 16°C (62°F), averaging just 2°C (35°F). Precipitation in December is slightly lower at 129 mm (5.1 in) over 10 days, accompanied by a humidity of 81%. For a closer look at weather trends in December, visit Cambridge weather in December.

Compare Cambridge's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Cambridge

As October unfolds in Cambridge, the weather offers a remarkable transition from the vibrant energy of summer to the crispness of fall. With temperatures varying significantly throughout the month, residents experience both warm days and chilly nights, resulting in an average high that contrasts sharply with the cool evenings. The increased humidity adds a lingering softness to the air, while the frequency of rainfall transforms the landscape into a colorful autumn canvas. This month's precipitation defines October, with several days of rain contributing to a lush environment that’s quite different from the drier summer months. For more details on how October weather fits into the overall climate, visit Cambridge Climate.