Boston Weather in October
United States · Humid Continental climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
October in Boston sees average temperatures ranging from a low of 9.1°C (48.4°F) to a high of 17.7°C (63.9°F), with a mean of 13.1°C (55.6°F). Compared to the annual average of 11.2°C (52.2°F), this month is 1.9°C warmer than the yearly norm. Precipitation averages 116.1mm, making it approximately 15.0mm wetter than the monthly average of 102.0mm. The city receives an average of 7.8 hours of sunshine per day during October, with relative humidity averaging 76.7%. Wind speeds reach an average maximum of 18.6 km/h. Snowfall averages 1.7cm during October, which can affect travel plans and outdoor activities. For travelers, this month offers a temperature experience in Boston, with wetter-than-average conditions compared to the rest of the year.
Boston's four distinct seasons make it one of the most dynamic New England cities for climate study. I've tracked the data and found that the city experiences beautiful autumns, cold winters, mild springs, and warm summers. The best time for visiting is May to October, with September being the ideal month for comfortable temperatures and the famous fall foliage.
October vs Adjacent Months
| Metric | September | October | November |
|---|---|---|---|
| Mean Temp | 18.5°C (65.3°F) | 13.1°C (55.6°F) | 7.1°C (44.8°F) |
| Rainfall | 126.5mm | 116.1mm | 74.4mm |
| Sunshine | 8.9 hrs | 7.8 hrs | 7.1 hrs |
| Humidity | 76.2% | 76.7% | 69.6% |
| Wind | 18.4 km/h | 18.6 km/h | 20.8 km/h |
| Rainy Days | 14.8 | 11.2 | 9.4 |
| Snowfall | 0.0 cm | 1.7 cm | 0.5 cm |
Seasonal Context
October falls in Autumn in the Northern Hemisphere. Autumn sees temperatures gradually cooling from summer highs. For travelers visiting Boston in October, the data indicates mixed conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in Boston in October?
The average temperature in Boston during October ranges from 9.1°C (48.4°F) to 17.7°C (63.9°F), with a mean of 13.1°C (55.6°F).
How much does it rain in Boston in October?
Boston receives an average of 116.1mm of precipitation in October, spread across approximately 11.2 rainy days.
What should I pack for Boston in October?
Based on October weather data, pack warm layers, a medium jacket, and waterproof outerwear. Rain gear is essential — this month averages 116.1mm of precipitation.
Is October a good time to visit Boston?
October is a cooler month, suitable for travelers who prefer mild weather and fewer crowds. Pack warm layers and enjoy indoor attractions.
Other Months for Boston
Cities with Similar October Climate (Humid Continental)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: 42.36°, -71.06°. Timezone: America/New_York. Last updated: 2026-07-30.