Next 24 hours

US AQI

45Now
48
52
5512 AM
54
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533 AM
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496 AM
48
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459 AM
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4912 PM
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493 PM
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496 PM
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46

Air quality outlook

Worst hour each day

Today52Moderate
Thu 855Moderate
Fri 945Good
Sat 1043Good
Sun 1149Good

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

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About Worcester weather

Worcester is in Worcester County, Massachusetts, United States at 42.26°, -71.80°. Right now it’s 53° and mostly clear; today’s high is 63° with a 1% 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.