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US AQI

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4510 AM
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267 PM
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Air quality outlook

Worst hour each day

Today53Moderate
Sat 1065Moderate
Sun 11500Hazardous
Mon 1269Moderate
Tue 1347Good

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

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About Reston weather

Reston is in Fairfax County, Virginia, United States at 38.97°, -77.34°. Right now it’s 51° and partly cloudy; today’s high is 72° with a 0% chance of rain.

Virginia's climate transitions from humid subtropical in the east to continental in the western mountains, with the Blue Ridge Mountains and Shenandoah Valley creating distinct climate zones. Richmond, in the central Piedmont, has hot, humid summers and cool winters with occasional snow. The Tidewater region along the Chesapeake Bay and Atlantic coast is moderated by water, with milder winters and slightly cooler summers.