Next 24 hours

US AQI

35Now
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34
333 AM
33
32
316 AM
31
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319 AM
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3312 PM
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393 PM
40
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416 PM
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399 PM
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38

Air quality outlook

Worst hour each day

Today41Good
Sun 1845Good
Mon 1947Good
Tue 2055Moderate
Wed 2163Moderate

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

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About Hamilton weather

Hamilton is in Butler County, Ohio, United States at 39.40°, -84.56°. Right now it’s 50° and windy; today’s high is 54° with a 23% chance of rain.

Ohio has a humid continental climate with cold winters and warm, humid summers. The state's weather is influenced by Lake Erie to the north and the Ohio River Valley to the south, creating noticeable regional differences. Columbus receives approximately 39 inches of rain and 28 inches of snow annually, with precipitation distributed fairly evenly throughout the year.