Weather in Boston: October
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Average day temperature: | 60.7°F |
| Average night temperature: | 52.0°F | |
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Sea water temperature: | 58.1°F |
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Number of sunny days: | 13 days |
| Day length: | 10.4 - 11.7 hours | |
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Number of rainy days: | 4 days |
| Precipitation totals: | 2.4 in. | |
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forecast
| Boston |
temperature
| Boston |
Air temperature in October, °F
The highest day temperature during October of 2025 was 82°F. At the same time the lowest night temperature was 34°F. Daily and nightly averages during October were 61.0°F and 48.5°F.
Sea water temperature in Boston in October, °F
The average sea water temperature in October of 2025 was 58.8°F. The highest and lowest sea temperatures during the month were 64.6°F and 54.1°F.
Number of sunny, partly cloudy and cloudy days in October is almost equal.
Precipitation total in October, in.
Precipitation total value in Boston in October is 2.5 in. Other months of the year show relatively similar values.
The average wind speed value in October is 8.6 mph
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in October is: 6.0.
Best time for vacation in Boston
Boston on a weather map
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