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October Weather in Marlborough, United States

Last updated: June 24, 2025

In October, the average temperature in Marlborough, United States hovers around 15°C (60°F). However, be prepared for a wider range, as temperatures can dip to a chilly -3°C (26°F) or soar to a warm 34°C (94°F). During this time, 107 mm (4.2 in) of precipitation typically falls over 11 days, contributing to an average humidity of 76%.

October Temperature in Marlborough

In October in Marlborough, the average temperature is 15°C (60°F). Maximums can reach 34°C (94°F), while minimums can drop as low as -3°C (26°F). This diverse range of temperatures makes it important for travelers to pack accordingly, ensuring comfort in both warm and cooler conditions.

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

The chart illustrates October temperature patterns in Marlborough, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marlborough, October typically has an average temperature of 15°C (60°F), with highs reaching up to 34°C (94°F) and lows dropping to around -3°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec333647556877807773594539
Data source: Temperature data for Marlborough generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Marlborough

In Marlborough in October, the precipitation amount is 107 mm (4.2 in) spread over a period of 11 days.

October Precipitation Trends in Marlborough

The chart displays monthly precipitation patterns in Marlborough, 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. In Marlborough, October typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec79831351351469492131581077564
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Marlborough

In Marlborough in October humidity is 76%. With an average temperature of 15°C (60°F), this humidity feels like a warm, damp blanket wrapping around you, making outdoor activities a bit more challenging and urging you to stay hydrated while exploring the area.

October Average Humidity in Marlborough

This chart illustrates the average monthly humidity levels in Marlborough, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Marlborough is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%80%82%83%81%80%76%76%85%86%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Marlborough

In Marlborough in October, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Marlborough.

Maximum UV Index Levels in Marlborough for October

The chart shows the monthly maximum UV Index (UVI) for Marlborough 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. In October, the maximum UV index in Marlborough typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110109753
Data source: Marlborough 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.

How October Weather in Marlborough Compares to Other Months

Weather in Marlborough varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Marlborough, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Marlborough, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)79 mm (3.1 inches)82%moderate
February Weather2°C (36°F)82 mm (3.2 inches)80%moderate
March Weather8°C (48°F)134 mm (5.3 inches)80%high
April Weather13°C (56°F)135 mm (5.3 inches)80%very high
May Weather20°C (68°F)146 mm (5.7 inches)82%very high
June Weather25°C (77°F)94 mm (3.7 inches)83%extreme
July Weather27°C (80°F)92 mm (3.6 inches)81%very high
August Weather25°C (77°F)131 mm (5.1 inches)80%very high
September Weather23°C (73°F)58 mm (2.3 inches)76%very high
October Weather15°C (60°F)107 mm (4.2 inches)76%high
November Weather7°C (45°F)75 mm (3.0 inches)85%moderate
December Weather4°C (40°F)64 mm (2.5 inches)86%moderate

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