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

Areas of Excessive Rainfall and Severe Thunderstorms; Typhoon Watch for Guam/CNMI

Heavy to excessive rainfall will continue today from the Texas Big Bend region into southern Oklahoma. Locally considerable flash and urban flooding is possible, and river flooding will continue in central Oklahoma. Scattered severe thunderstorms are possible in parts of the Mid-Atlantic Friday. A Typhoon Watch has been issued for Guam and CNMI. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Overcast

60°F

16°C

Humidity 90%
Wind Speed E 5 mph
Barometer 30.15 in (1020.8 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 15 Oct 5:52 pm EDT
Extended Forecast for

Sterling VA

  • Tonight

    Tonight: A chance of showers, mainly before 3am. Patchy fog between 2am and 3am. Otherwise, cloudy, with a low around 58. South wind 3 to 7 mph. Chance of precipitation is 40%.

    Low: 58 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A slight chance of showers before 8am, then a chance of showers and thunderstorms after 5pm. Patchy fog between 7am and 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 82. South wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    High: 82 °F

    Patchy Fog
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 48. Northwest wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 54. North wind 16 to 18 mph, with gusts as high as 29 mph.

    High: 54 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35. North wind 5 to 8 mph.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers, mainly before 3am. Patchy fog between 2am and 3am. Otherwise, cloudy, with a low around 58. South wind 3 to 7 mph. Chance of precipitation is 40%.
Friday
A slight chance of showers before 8am, then a chance of showers and thunderstorms after 5pm. Patchy fog between 7am and 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 82. South wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Friday Night
Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 48. Northwest wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 54. North wind 16 to 18 mph, with gusts as high as 29 mph.
Saturday Night
Mostly clear, with a low around 35. North wind 5 to 8 mph.
Sunday
Sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 62.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sterling VA
 39.02°N 77.43°W (Elev. 249 ft)
Last Update:
4:53 pm EDT Oct 15, 2026
Forecast Valid:
6pm EDT Oct 15, 2026-6pm EDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation