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US AQI

39Now
43
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4912 PM
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513 PM
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476 PM
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419 PM
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3912 AM
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Air quality outlook

Worst hour each day

Today51Moderate
Sat 1045Good
Sun 1155Moderate
Mon 1257Moderate
Tue 1347Good

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

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About Plainfield weather

Plainfield is in Union County, New Jersey, United States at 40.63°, -74.41°. Right now it’s 51° and clear; today’s high is 71° with a 0% chance of rain.

New Jersey has a humid subtropical climate in the south and a humid continental climate in the north, with the Atlantic Ocean exerting a strong moderating influence along the coastline. The state receives approximately 46 inches of precipitation per year, well-distributed across all seasons. Despite its small size, New Jersey experiences a surprising variety of weather conditions due to its coastal, urban, and rural landscapes.