Next 24 hours

US AQI

44Now
45
46
482 AM
49
49
495 AM
49
48
488 AM
47
48
4811 AM
49
49
492 PM
49
48
485 PM
47
46
448 PM
43
43

Air quality outlook

Worst hour each day

Today47Good
Thu 849Good
Fri 945Good
Sat 1041Good
Sun 1155Moderate

From our air-quality forecast models (GEOS-CF / GEFS aerosols). AQI uses the US EPA scale.

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About Boston weather

Boston is in Suffolk County, Massachusetts, United States at 42.36°, -71.06°. Right now it’s 56° and mostly clear; today’s high is 65° with a 0% chance of rain.

Massachusetts has a humid continental climate with cold winters and warm, humid summers. The state's position along the Atlantic coast means it is frequently affected by coastal storms and weather patterns from the ocean. Boston averages about 44 inches of rain and 49 inches of snow per year, though individual winters can vary enormously in snowfall totals.