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Safety guides Use current official weather information for Reston, Virginia 20190 before making weather-sensitive plans.
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Open→Weather status
No active NWS alerts found for Reston, Virginia 20190
Conditions can change quickly. Keep Wireless Emergency Alerts enabled and continue to monitor official information.
Official NOAA / NWSWSR-88D DopplerUpdates every 5 minutes
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What’s next
Hourly forecast
Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Reston, Virginia 20190. Forecasts and alerts update from NOAA and the National Weather Service.
79°Slight Chance Showers And Thunderstorms15% rain
77°Mostly Clear14% rain72°Mostly Clear0% rain69°Mostly Clear0% rain
68°Clear0% rain66°Clear0% rain65°Clear0% rain64°Mostly Clear0% rainNext 24 hours
Rain Timeline
No meaningful precipitation is expected in the official hourly forecast.
15%Thunderstorms
14%None
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Official NWS outlook
7-Day Forecast
Today
79°60°
Slight Chance Showers And Thunderstorms then Mostly Clear
- Precipitation
- 15%
- Wind
- W 1 to 9 mph
- Sunrise
- 6:31 AM
- Sunset
- 7:55 PM
Mon
83°59°
Sunny
- Precipitation
- 0%
- Wind
- W 2 to 9 mph
- Sunrise
- 6:32 AM
- Sunset
- 7:54 PM
Tue
84°62°
Sunny
- Precipitation
- 0%
- Wind
- NW 3 to 7 mph
- Sunrise
- 6:33 AM
- Sunset
- 7:52 PM
Wed
87°69°
Mostly Sunny
- Precipitation
- 38%
- Wind
- SE 0 to 7 mph
- Sunrise
- 6:34 AM
- Sunset
- 7:51 PM
Thu
88°69°
Slight Chance Showers And Thunderstorms
- Precipitation
- 62%
- Wind
- S 6 to 9 mph
- Sunrise
- 6:35 AM
- Sunset
- 7:49 PM
Fri
88°68°
Mostly Sunny then Slight Chance Showers And Thunderstorms
- Precipitation
- 15%
- Wind
- W 5 mph
- Sunrise
- 6:35 AM
- Sunset
- 7:48 PM
Sat
86°67°
Mostly Sunny
- Precipitation
- 13%
- Wind
- N 6 mph
- Sunrise
- 6:36 AM
- Sunset
- 7:46 PM
Forecasts, icons, precipitation, wind, and alerts are from the National Weather Service. Sunrise and sunset are calculated locally for the selected coordinates.
Weather for a healthier day
Healthy Weather
Real Feel82°F
Good conditions for walking
Conditions look reasonable, but stay alert for quick weather changes.
WindSW9 mph
Best walk timeBetter weather window: 8 PM–10 PM
Walking: 0% average rain chance, near 71°F, with winds near 6 mph.
Official EPA AirNowLocal air qualityReston, Virginia 20190View AQI +
More weather details
Wind gustsNot reported
Rain now15%next hour
Humidity37%current
UV indexCheckingEPA forecast
Wind impact: Light wind with little expected outdoor impact.
“Better weather window” is planning guidance based on official NWS data—not a promise of safe conditions. Review active alerts and radar before leaving.
Storm & DetailsGusts, pressure, visibility and official risk outlooksView details +
Wind gustNot reported
Pressure29.88 in
Visibility10.0 mi
Peak rain chance15%
Dew point54°F
Active alertsNone
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