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

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Mostly Cloudy

85°F

29°C

Humidity 77%
Wind Speed Calm
Barometer 30.15 in (1021.7 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 15 Aug 11:56 am EDT
Extended Forecast for

3 Miles NE Sugarland Run VA

  • This Afternoon

    This Afternoon: Isolated showers between 1pm and 2pm, then scattered showers and thunderstorms after 2pm. Partly sunny, with a high near 89. East wind 3 to 5 mph. Chance of precipitation is 40%.

    High: 89 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Isolated showers and thunderstorms before 9pm. Patchy fog between 4am and 5am. Otherwise, partly cloudy, with a low around 71. Light east wind. Chance of precipitation is 20%.

    Low: 71 °F

    Isolated
    T-storms then
    Patchy Fog

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 86. Light east wind. Chance of precipitation is 20%.

    High: 86 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 69. Light south wind.

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 92. Light south wind.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 71. Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Isolated showers between 1pm and 2pm, then scattered showers and thunderstorms after 2pm. Partly sunny, with a high near 89. East wind 3 to 5 mph. Chance of precipitation is 40%.
Tonight
Isolated showers and thunderstorms before 9pm. Patchy fog between 4am and 5am. Otherwise, partly cloudy, with a low around 71. Light east wind. Chance of precipitation is 20%.
Saturday
A slight chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 86. Light east wind. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 69. Light south wind.
Sunday
Sunny, with a high near 92. Light south wind.
Sunday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 71. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Partly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Sugarland Run VA
 39.08°N 77.34°W (Elev. 200 ft)
Last Update:
10:29 am EDT Aug 15, 2025
Forecast Valid:
12pm EDT Aug 15, 2025-6pm EDT Aug 21, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation