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.

Fog/Mist

65°F

18°C

Humidity 100%
Wind Speed Calm
Barometer 29.83 in (1011.0 mb)
Dewpoint 65°F (18°C)
Visibility 0.75 mi
Last update 7 May 3:56 am EDT
Extended Forecast for

Wheaton-Glenmont MD

  • Overnight

    Overnight: Scattered showers. Patchy fog. Otherwise, cloudy, with a low around 63. Calm wind. Chance of precipitation is 40%.

    Low: 63 °F

    Scattered
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 78. Light and variable wind becoming east around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 78 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 64. South wind around 6 mph. Chance of precipitation is 40%.

    Low: 64 °F

    Chance
    T-storms then
    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 85. Southwest wind 6 to 13 mph becoming west in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 20%.

    High: 85 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms, then a chance of showers after 2am. Partly cloudy, with a low around 63. West wind around 6 mph. Chance of precipitation is 50%.

    Low: 63 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 77. Chance of precipitation is 90%.

    High: 77 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 59. Chance of precipitation is 80%.

    Low: 59 °F

    Showers then
    Chance
    T-storms

  • Friday

    Friday: A chance of showers after 2pm. Mostly sunny, with a high near 68. Chance of precipitation is 40%.

    High: 68 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 8pm. Partly cloudy, with a low around 50. Chance of precipitation is 30%.

    Low: 50 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Overnight
Scattered showers. Patchy fog. Otherwise, cloudy, with a low around 63. Calm wind. Chance of precipitation is 40%.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 78. Light and variable wind becoming east around 5 mph in the afternoon. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 64. South wind around 6 mph. Chance of precipitation is 40%.
Wednesday
A slight chance of showers and thunderstorms after 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 85. Southwest wind 6 to 13 mph becoming west in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers and thunderstorms, then a chance of showers after 2am. Partly cloudy, with a low around 63. West wind around 6 mph. Chance of precipitation is 50%.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 77. Chance of precipitation is 90%.
Thursday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 59. Chance of precipitation is 80%.
Friday
A chance of showers after 2pm. Mostly sunny, with a high near 68. Chance of precipitation is 40%.
Friday Night
A chance of showers before 8pm. Partly cloudy, with a low around 50. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
A chance of showers. Mostly sunny, with a high near 68. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Partly cloudy, with a low around 50. Chance of precipitation is 30%.
Monday
A chance of showers. Mostly sunny, with a high near 73. Chance of precipitation is 30%.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Wheaton-Glenmont MD
 39.05°N 77.05°W (Elev. 427 ft)
Last Update:
1:29 am EDT May 7, 2024
Forecast Valid:
4am EDT May 7, 2024-6pm EDT May 13, 2024
 
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