Boston, Massachusetts weather in April

Averages from 2021–2025 (150 days of record).

Average high: 57°F
Average low: 40°F
Rainy days: ~10 per month
Total precipitation: 3.4 in
Warmest recorded: 85°F
Coldest recorded: 25°F

Expect April days in Boston, Massachusetts to top out around 57°F and cool to about 40°F overnight, with roughly 10 days of measurable rain across the month. In recent years April has ranged from 25°F to 85°F.

Other months

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Current Boston, Massachusetts forecast → · Historical data by Open-Meteo (ERA5).