National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

A Few Clouds

92°F

33°C

Humidity 41%
Wind Speed NA
Barometer 30.17 in (1021.3 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 21 Jun 1:52 pm EDT
Extended Forecast for

Reston VA

Heat Advisory June 22, 11:00am until June 22, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: Sunny, with a high near 94. Southwest wind around 6 mph.

    High: 94 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 74. South wind 5 to 7 mph.

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 98. Heat index values as high as 104. Southwest wind 5 to 7 mph. Chance of precipitation is 20%.

    High: 98 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 78. South wind around 7 mph. Chance of precipitation is 20%.

    Low: 78 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 97. Southwest wind 6 to 10 mph. Chance of precipitation is 30%.

    High: 97 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.

    Low: 74 °F

    T-storms
    Likely

  • Monday

    Monday: A chance of showers and thunderstorms before 2pm, then a chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Sunny, with a high near 91. Chance of precipitation is 30%.

    High: 91 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 69. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms then
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 94. Southwest wind around 6 mph.
Tonight
Mostly clear, with a low around 74. South wind 5 to 7 mph.
Saturday
A slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 98. Heat index values as high as 104. Southwest wind 5 to 7 mph. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 78. South wind around 7 mph. Chance of precipitation is 20%.
Sunday
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 97. Southwest wind 6 to 10 mph. Chance of precipitation is 30%.
Sunday Night
Showers and thunderstorms likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms before 2pm, then a chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Sunny, with a high near 91. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 69. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Partly cloudy, with a low around 71.
Wednesday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 98. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 50%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 40%.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Reston VA
 38.95°N 77.36°W (Elev. 446 ft)
Last Update:
1:29 pm EDT Jun 21, 2024
Forecast Valid:
2pm EDT Jun 21, 2024-6pm EDT Jun 27, 2024
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation