Weather in Boston: March
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Average day temperature: | 42.3°F |
| Average night temperature: | 33.8°F | |
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Sea water temperature: | 39.2°F |
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Number of sunny days: | 11 days |
| Day length: | 11.3 - 12.7 hours | |
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Number of rainy days: | 4 days |
| Precipitation totals: | 2.6 in. | |
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forecast
| Boston |
temperature
| Boston |
Air temperature in March, °F
The highest day temperature during March of 2026 was 71°F. At the same time the lowest night temperature was 15°F. Daily and nightly averages during March were 46.9°F and 36.0°F.
Sea water temperature in Boston in March, °F
The average sea water temperature in March of 2026 was 38.0°F. The highest and lowest sea temperatures during the month were 41.7°F and 34.2°F.
Number of sunny, partly cloudy and cloudy days in March is almost equal.
Precipitation total in March, in.
Precipitation total value in Boston in March is 3.0 in. Other months of the year show relatively similar values.
The average wind speed value in March is 10.3 mph It makes March most windy month of the year.
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 March is: 6.3.
Best time for vacation in Boston
Boston on a weather map
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