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Widespread Showers and Thunderstorms in Southern California and the Southern Plains into the Mississippi Valley

Isolated strong to severe thunderstorms and widespread heavy rainfall are possible across the southern Plains into Arkansas. Widespread showers with a slight chance of thunderstorms are possible across southern California. Urban flooding, rock and mudslides as well as minor debris flows near burn scars are possible. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

44°F

7°C

Humidity 96%
Wind Speed Calm
Barometer 30.17 in (1023.5 mb)
Dewpoint 43°F (6°C)
Visibility 9.00 mi
Last update 20 Nov 7:56 pm EST
Extended Forecast for

Mount Airy MD

  • Tonight

    Tonight: Mostly cloudy, with a low around 41. Light southeast wind.

    Low: 41 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of rain, mainly between 1pm and 4pm. Mostly cloudy, with a high near 53. Light south wind. Chance of precipitation is 50%.

    High: 53 °F

    Slight Chance
    Rain then
    Chance Rain

  • Friday Night

    Friday Night: Rain, mainly after 7pm. Low around 46. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Rain

  • Saturday

    Saturday: A chance of rain before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 52. North wind 6 to 8 mph. Chance of precipitation is 40%.

    High: 52 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30. Light north wind.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 41. Light southeast wind.
Friday
A chance of rain, mainly between 1pm and 4pm. Mostly cloudy, with a high near 53. Light south wind. Chance of precipitation is 50%.
Friday Night
Rain, mainly after 7pm. Low around 46. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A chance of rain before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 52. North wind 6 to 8 mph. Chance of precipitation is 40%.
Saturday Night
Mostly clear, with a low around 30. Light north wind.
Sunday
Sunny, with a high near 51.
Sunday Night
Mostly clear, with a low around 35.
Monday
Mostly sunny, with a high near 54.
Monday Night
Mostly cloudy, with a low around 39.
Tuesday
A chance of rain. Cloudy, with a high near 54. Chance of precipitation is 50%.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Wednesday
A chance of rain. Partly sunny, with a high near 62. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 38.
Thanksgiving Day
Mostly sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Airy MD
 39.37°N 77.14°W (Elev. 764 ft)
Last Update:
6:52 pm EST Nov 20, 2025
Forecast Valid:
8pm EST Nov 20, 2025-6pm EST Nov 27, 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