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Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

27°C

81°F

Humidity 72%
Wind Speed Calm
Barometer 1020.9 mb (30.12 in)
Dewpoint 22°C (71°F)
Visibility 16 km
Heat Index29°C (85°F)
Last update 18 Jul 10:56 am EDT
Extended Forecast for

Aspen Hill MD

  • Today

    Today: Scattered showers and thunderstorms, mainly after 3pm. Mostly cloudy, with a high near 30. North wind around 8 km/h. Chance of precipitation is 30%.

    High: 30 °C

    Scattered
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 40%.

    Low: 22 °C

    Scattered
    T-storms then
    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 30. Calm wind becoming south 5 to 10 km/h in the afternoon. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.

    High: 30 °C

    Scattered
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 60%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    Low: 22 °C

    Showers
    Likely then
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 32. West wind 5 to 13 km/h. Chance of precipitation is 40%.

    High: 32 °C

    Slight Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 20. Chance of precipitation is 30%.

    Low: 20 °C

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 28.

    High: 28 °C

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 17.

    Low: 17 °C

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 29.

    High: 29 °C

    Mostly Sunny

Detailed Forecast

Today
Scattered showers and thunderstorms, mainly after 3pm. Mostly cloudy, with a high near 30. North wind around 8 km/h. Chance of precipitation is 30%.
Tonight
Scattered showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 40%.
Saturday
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 30. Calm wind becoming south 5 to 10 km/h in the afternoon. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 60%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 32. West wind 5 to 13 km/h. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 20. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 28.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
Mostly sunny, with a high near 29.
Tuesday Night
Partly cloudy, with a low around 19.
Wednesday
A chance of showers. Mostly sunny, with a high near 29. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 21. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
Aspen Hill MD
 39.07°N 77.08°W (Elev. 299 m)
Last Update:
10:30 am EDT Jul 18, 2025
Forecast Valid:
11am EDT Jul 18, 2025-6pm EDT Jul 24, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation