Boston weather in March
March in Boston: cold, rainy, with clean air — a good time to visit.
#9 of 12 months in Boston · #473 of 604 destinations to visit in March · comfort 65/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Boston climate normals — March
| Daytime high | 9°C / 48°F | 🧥 cold |
|---|---|---|
| Nighttime low | -1°C / 31°F | |
| Feels like (high) | 5°C / 41°F | |
| Rainfall | 87 mm / 3.4 in | 🌧 rainy |
| Rainy days | 11 days | |
| Humidity | 69% | 💧 humid |
| Dew point | -2°C / 28°F | |
| Sunshine | 8.3 h/day | |
| Daylight | 12 h | |
| Wind | 23 km/h / 14 mph | |
| Snowfall | 14.9 cm / 5.9 in | |
| Air quality (US AQI) | 42 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Boston in March — FAQ
- Is March a good time to visit Boston?
- March in Boston: cold, rainy, with clean air — a good time to visit. It ranks #9 of 12 months for Boston on SeasonMap's comfort score (65/100).
- What is the weather like in Boston in March?
- In March, Boston averages a daily high of 8.8°C and a low of -0.7°C, with about 86.7 mm of rain over roughly 10.8 rainy days.
- What is the air quality in Boston in March?
- Boston has a mean US Air Quality Index of about 42 in March.
- Does it snow in Boston in March?
- Boston sees roughly 14.9 cm of snowfall in March.