Last updated: February 24, 2025
In October, Pittsburgh experiences a transition into crisp autumn with temperatures ranging from a maximum of 31°C (89°F) to a chilly minimum of -1°C (31°F). The average temperature settles at a comfortable 14°C (57°F), providing a refreshing change for residents and visitors alike. This month brings about 128 mm (5.0 in) of precipitation over 14 days, contributing to the lush fall foliage that characterizes the region. With a relatively high humidity level of 82%, October in Pittsburgh is a time when the city embraces the beauty of changing seasons alongside the occasional rain shower.
As October rolls into Pittsburgh, the temperatures begin to showcase a transitional rhythm, indicative of autumn's arrival. The minimum temperature dips to around -1°C (31°F), offering a crispness in the air, while the average settles at a comfortable 14°C (57°F). On warmer days, you might experience pleasant highs reaching up to 31°C (89°F), a stark contrast to the chilly lows, creating a dynamic climate perfect for enjoying the vibrant fall foliage. This month marks a shift from the lingering warmth of September, where averages hovered at 20°C (68°F), transitioning toward the cooler embrace of November. With temperatures fluctuating, October invites Pittsburghers to layer up and relish in the season's beauty before the winter chill sets in.
October in Pittsburgh sees consistent precipitation, matching September's rainfall at 128 mm (5.0 in) but spread over 14 days, adding a touch of gloom to the autumn atmosphere. This month typically marks a transition as the region bids farewell to warmer weather—a trend emphasized by the decrease in precipitation days compared to the wetter summer months like June and July. As the leaves change and fall, the steady rainfall not only nourishes the vibrant fall foliage but also keeps the air crisp and fresh, making October a quintessentially Pennsylvanian month, rich in both colors and character.
In October, Pittsburgh experiences a relatively comfortable humidity level of 82%, a minor rise from the drier summer months. Following the peak warmth of July and August, where humidity dipped to 82% and 76% respectively, October ushers in a slight increase as the city transitions into the cooler autumn climate. This month’s humidity is notably lower compared to the heavy humidity felt during the winter months, which hover around 88% in January and February. Overall, October serves as a bridge between the warm, humid summer and the chilly, moist winter, marking a gradual shift towards the more saturated air typical of the colder season.
As October unfolds in Pittsburgh, the UV Index shows a marked shift to a high exposure category with a value of 6, allowing for a burn time of 25 minutes. This trend reflects a gradual decline from the peak summer months, where the index consistently reached 10, indicating very high levels of solar radiation. Following the intensity of summer, October's UV levels remind us of the importance of sun safety, particularly during midday hours. As you enjoy the vibrant autumn foliage, don't let your guard down—apply sunscreen and protect your skin, even as temperatures drop. For more detailed insights into UV exposure throughout the year, visit Pittsburgh UV Index.
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In Pittsburgh, October brings a delightful shift as the city enjoys an impressive 219 hours of sunshine, marking a noteworthy transition from the sun-drenched months of summer. This is a significant dip from the height of July and August, which bask in over 300 hours, yet it still stands out compared to the gloomier winter months like January and November. As the fall foliage begins to paint the landscape, Pittsburghers can relish in this golden autumn period, where the warmth of the sun during early October harmonizes beautifully with the crisp, cool air—a perfect time for outdoor activities and leisurely strolls through the vibrant parks. Overall, while October’s sunshine is less than the summer peak, it retains a charm that heralds the cozy embrace of fall.
As October rolls into Pittsburgh, the chance of sunny weather stands at 33%, reflecting a slight dip compared to the preceding month of September, which boasts the highest likelihood of sunshine at 51%. This trend reveals a transition into the colder months, as the probability of sunny days decreases from summer's highs, with July and August showing a promising 44% and 38% respectively. While October's sunshine chances are better than the winter months of January and February, they still fall short of the more vibrant spring and early summer months. Overall, Pittsburghers can expect a mix of crisp autumn air and occasional sunny breaks, making those sunny days all the more cherished as the city prepares for the upcoming winter.
As October settles in Pittsburgh, the city experiences 11 hours of daylight, marking a gentle decline from the summer's peak of 15 hours in June. This gradual reduction in daylight hours reflects the transition from the vibrancy of summer to the cozy whispers of fall. Following September's 12-hour days, October symbolizes the onset of shorter days, inviting residents to enjoy the beauty of autumn foliage under softer, golden light. As the year moves towards its close, the diminishing daylight serves as a reminder of nature's rhythm, preparing Pittsburgh for the restful stillness of winter.
As October sweeps across Pittsburgh, the wind begins to whisper hints of the chillier months ahead. With an average wind speed of 2.8 m/s (6 mph), the breezes are gentle, a slight decrease from the winds of September that ushered in the fall. This transitional month showcases a trend of declining wind speeds that started in the summer, settling into a calm that fosters those iconic autumn strolls among the vibrant foliage. In contrast to the winds of the earlier months that often hint at summer's retreat, October's breezes are soft and crisp, inviting residents to enjoy the beauty of the season without the harsher gusts that winter will bring. As the city prepares for winter, this month exemplifies a serene lull, marking a graceful shift from one season to the next.
The weather in Pittsburgh 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 Pittsburgh and find detailed weather information for every month.
In comparing the weather between October and January, October offers a much milder climate with average temperatures around 14°C (57°F) and highs reaching up to 31°C (89°F). This month experiences about 128 mm (5.0 in) of precipitation across 14 days, with humidity levels at 82%. In stark contrast, January presents a much colder landscape, with average temperatures dropping to -1°C (31°F) and lows plummeting to -22°C (-8°F). While January has slightly less precipitation at 95 mm (3.7 in) over 12 days, the humidity is slightly higher at 88%. For more detailed insights, you can refer to Pittsburgh weather in January.
October and February present striking contrasts in weather patterns. In October, temperatures can vary dramatically, ranging from a chilling minimum of -1°C (31°F) to a warm maximum of 31°C (89°F), with an average temperature around 14°C (57°F). This month experiences about 128 mm (5.0 in) of precipitation over 14 days and maintains a humidity level of 82%. Conversely, February is much colder, with temperatures dropping as low as -20°C (-3°F) and rising to a maximum of 25°C (77°F), averaging around 1°C (35°F). The precipitation in February is slightly lower at 125 mm (4.9 in) but occurs over 15 days, accompanied by higher humidity at 88%. For more detailed insights on February weather, you can check Pittsburgh weather in February.
October and March present contrasting weather experiences, with October typically being milder and more variable, while March signals the transitional phase from winter to spring. In October, the temperatures range from a minimum of -1°C (31°F) to a maximum of 31°C (89°F), with an average of 14°C (57°F) and about 128 mm (5.0 in) of precipitation over 14 days. Conversely, March tends to be colder, with minimum temperatures plunging to -17°C (1°F) and an average temperature of 5°C (42°F). Although March has slightly less precipitation at 109 mm (4.3 in) across 13 days, it comes with a higher humidity level of 87%. For more insight into weather patterns during this month, you can visit Pittsburgh weather in March.
When comparing the weather in October and April, both months display a range of temperatures and precipitation patterns. October showcases a wider temperature range, with lows at -1°C (31°F) and highs reaching up to 31°C (89°F), while April has slightly cooler lows at -5°C (24°F) and a maximum of 29°C (84°F). Precipitation levels are similar, with October receiving 128 mm (5.0 in) over an average of 14 days, compared to April's 132 mm (5.2 in) spread across 16 days. Humidity is slightly higher in April at 87%, compared to October's 82%. For more detailed insights, you can explore Pittsburgh weather in April.
When comparing the weather in October and May, both months showcase a similar high of 31°C (89°F), but their overall experiences diverge. October typically has a broader temperature range, with minimums dropping to -1°C (31°F) and an average of 14°C (57°F), while May starts slightly cooler at -2°C (29°F) but has a higher average of 17°C (63°F). Precipitation levels are similar, with October receiving 128 mm (5.0 in) over 14 days and May having 150 mm (5.9 in) across 17 days, suggesting that May might be wetter. Interestingly, humidity levels are also close, with October sitting at 82% and May a bit lower at 81%. For more detailed information about May weather, you can visit Pittsburgh weather in May.
October and June exhibit distinct weather patterns. In October, temperatures range from a chilly minimum of -1°C (31°F) to a warm maximum of 31°C (89°F), with an average temperature of 14°C (57°F). The month sees approximately 128 mm (5.0 in) of precipitation over 14 days, and humidity levels are around 82%. In contrast, June offers a more consistently mild climate, with temperatures fluctuating from a minimum of 5°C (41°F) to a maximum of 33°C (92°F), averaging 21°C (70°F). Precipitation in June is slightly higher at 155 mm (6.1 in), occurring over 16 days, with humidity marginally increasing to 83%. For a deeper dive into the weather specifics during June, visit Pittsburgh weather in June.
When comparing the weather in October and July, a noticeable shift in temperatures and precipitation patterns is evident. October experiences a broader temperature range, with a minimum of -1°C (31°F) and a maximum reaching 31°C (89°F), averaging around 14°C (57°F). In contrast, July is generally warmer, with temperatures ranging from a minimum of 12°C (53°F) to a maximum of 35°C (96°F) and an average of 24°C (75°F). Precipitation levels are similar, with October receiving 128 mm (5.0 in) over 14 days and July slightly higher at 154 mm (6.1 in) across 15 days. Both months share a humidity level of 82%, creating a consistently humid climate. For more detailed insights on July weather, you can explore Pittsburgh weather in July.
October weather presents a notable contrast to August, marked by a significant drop in temperature and an increase in precipitation. The average high in October reaches 31°C (89°F), offering sunnier days, but the minimum temperature can plummet to as low as -1°C (31°F), suggesting a wide range of conditions. In comparison, August enjoys milder temperatures with an average high of 34°C (93°F) and a higher minimum of 11°C (52°F), creating a more consistently warm atmosphere. Rainfall also differs, with October experiencing 128 mm (5.0 in) of precipitation over 14 days, compared to August's lighter 89 mm (3.5 in) over 16 days. Humidity levels are relatively high in both months, with October at 82% and August slightly lower at 76%. For more detailed insights on August weather, visit Pittsburgh weather in August.
In comparing the weather of October to September, October experiences a broader temperature range, with minimums dipping as low as -1°C (31°F) and maximums reaching up to 31°C (89°F). In contrast, September maintains milder temperatures, with minimums around 5°C (40°F) and a maximum of 34°C (93°F). Both months receive the same amount of precipitation at 128 mm (5.0 in), but October experiences slightly more rainy days (14) compared to September's 10 days. Additionally, October tends to be more humid, averaging around 82% relative to September's 77%. For more detailed information, you can explore Pittsburgh weather in September.
October and November present contrasting weather patterns. In October, temperatures can vary quite dramatically, with a minimum of -1°C (31°F) and a maximum reaching up to 31°C (89°F), resulting in an average of 14°C (57°F). The month experiences significant precipitation, totaling 128 mm (5.0 in) over about 14 days, accompanied by an average humidity of 82%. In comparison, November sees a notable drop in temperatures, with a minimum of -13°C (9°F) and a maximum of 25°C (78°F), leading to a chilling average of 5°C (42°F). Although precipitation decreases slightly to 94 mm (3.7 in) over 11 days, humidity rises to 89%. For more detailed insights, check out Pittsburgh weather in November.
In October, the weather is notably milder, with temperatures ranging from a minimum of -1°C (31°F) to a maximum of 31°C (89°F) and an average of 14°C (57°F). The month experiences significant precipitation, with about 128 mm (5.0 inches) falling over approximately 14 days and humidity levels hovering around 82%. In contrast, December sees much colder conditions, with average temperatures dropping to around 2°C (36°F), fluctuating between a minimum of -16°C (4°F) and a maximum of 18°C (65°F). Although December has slightly less precipitation at 102 mm (4.0 inches) over 12 days, the humidity rises to 86%, creating a distinctly chilly and damp atmosphere. For more detailed information, you can check Pittsburgh weather in December.
As October unfolds in Pittsburgh, the weather shifts noticeably with cooler temperatures and an increase in moisture, contrasting sharply with the warmth of summer months. While the city enjoys an average temperature of 14°C (57°F), it also experiences significant fluctuations, with highs peaking up to 31°C (89°F) and dipping below freezing at night. The atmosphere becomes more humid, reaching around 82%, and the city faces about 14 days of rainfall, totaling 128 mm (5.0 in) throughout the month. This unique blend of brisk air and sporadic precipitation makes October a captivating transition into autumn, setting the stage for the vibrant fall foliage that Pittsburgh is known for. For a deeper dive into the nuances of the city's climate, visit Pittsburgh Climate.