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.

Fair

8°C

47°F

Humidity 41%
Wind Speed SE 6 km/h
Barometer 1019.7 mb (30.06 in)
Dewpoint -4°C (24°F)
Visibility 16 km
Last update 18 Mar 10:56 pm EDT
Extended Forecast for

Wheaton-Glenmont MD

  • Tonight

    Tonight: Clear, with a low around 6. Calm wind.

    Low: 6 °C

    Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 23. South wind 5 to 10 km/h increasing to 13 to 18 km/h in the afternoon. Winds could gust as high as 32 km/h.

    High: 23 °C

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 8. Southeast wind 14 to 16 km/h, with gusts as high as 35 km/h.

    Low: 8 °C

    Partly Cloudy

  • Thursday

    Thursday: Rain, mainly after 2pm. High near 19. Southeast wind 14 to 23 km/h, with gusts as high as 39 km/h. Chance of precipitation is 100%. New precipitation amounts between 7.5 mm and 1 cm possible.

    High: 19 °C

    Slight Chance
    Rain then
    Rain

  • Thursday Night

    Thursday Night: Rain, mainly before 8pm. Low around 2. Breezy, with a northwest wind 24 to 29 km/h increasing to 30 to 35 km/h after midnight. Winds could gust as high as 65 km/h. Chance of precipitation is 80%.

    Low: 2 °C

    Rain then
    Chance Rain
    and Breezy

  • Friday

    Friday: Sunny, with a high near 12. Breezy.

    High: 12 °C

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 4.

    Low: 4 °C

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 16.

    High: 16 °C

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 3.

    Low: 3 °C

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 6. Calm wind.
Wednesday
Increasing clouds, with a high near 23. South wind 5 to 10 km/h increasing to 13 to 18 km/h in the afternoon. Winds could gust as high as 32 km/h.
Wednesday Night
Partly cloudy, with a low around 8. Southeast wind 14 to 16 km/h, with gusts as high as 35 km/h.
Thursday
Rain, mainly after 2pm. High near 19. Southeast wind 14 to 23 km/h, with gusts as high as 39 km/h. Chance of precipitation is 100%. New precipitation amounts between 7.5 mm and 1 cm possible.
Thursday Night
Rain, mainly before 8pm. Low around 2. Breezy, with a northwest wind 24 to 29 km/h increasing to 30 to 35 km/h after midnight. Winds could gust as high as 65 km/h. Chance of precipitation is 80%.
Friday
Sunny, with a high near 12. Breezy.
Friday Night
Partly cloudy, with a low around 4.
Saturday
Mostly cloudy, with a high near 16.
Saturday Night
Mostly clear, with a low around 3.
Sunday
Mostly sunny, with a high near 13.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 6. Chance of precipitation is 30%.
Monday
Showers likely. Mostly cloudy, with a high near 17. Chance of precipitation is 70%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 6. Chance of precipitation is 30%.
Tuesday
A chance of showers. Partly sunny, with a high near 16. Chance of precipitation is 30%.
Click Map For Forecast
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Wheaton-Glenmont MD
 39.05°N 77.05°W (Elev. 427 m)
Last Update:
10:30 pm EDT Mar 18, 2025
Forecast Valid:
11pm EDT Mar 18, 2025-6pm EDT Mar 25, 2025
 
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Additional Resources

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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