Next 24 hours

US AQI

39Now
39
39
4210 AM
44
47
481 PM
48
49
484 PM
46
45
437 PM
41
39
3910 PM
38
37
371 AM
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374 AM
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37

Air quality outlook

Worst hour each day

Today49Good
Sat 1048Good
Sun 11500Hazardous
Mon 1261Moderate
Tue 1367Moderate

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

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About Mount Vernon weather

Mount Vernon is in Westchester County, New York, United States at 40.91°, -73.84°. Right now it’s 55° and partly cloudy; today’s high is 71° with a 0% chance of rain.

New York State has a humid continental climate that varies considerably from the Atlantic coast to the Adirondack Mountains. New York City experiences milder winters and hotter summers than the upstate regions due to urban heat island effects and coastal proximity. Albany and the Hudson Valley see cold winters with significant snowfall, while the Adirondacks are among the coldest locations in the eastern United States.