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

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast with Haze

70°F

21°C

Humidity NA
Wind Speed Vrbl 3 mph
Barometer 30.16 in (1022.3 mb)
Dewpoint N/A
Visibility 6.00 mi
Last update 27 Jun 5:56 pm EDT
Extended Forecast for

Washington Grove MD

  • Tonight

    Tonight: Scattered showers and thunderstorms. Patchy fog after 7pm. Otherwise, cloudy, with a low around 70. East wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 30%.

    Low: 70 °F

    Scattered
    Showers and
    Patchy Fog

  • Saturday

    Saturday: A slight chance of showers before 7am, then a slight chance of showers and thunderstorms after 2pm. Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 90. Calm wind becoming southwest around 6 mph in the morning. Chance of precipitation is 20%.

    High: 90 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Northwest wind 3 to 5 mph. Chance of precipitation is 20%.

    High: 89 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 60%.

    High: 91 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.

    Low: 73 °F

    Showers
    Likely then
    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm, mainly after 2pm. High near 87. Chance of precipitation is 80%.

    High: 87 °F

    Chance
    Showers then
    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 8pm. Low around 70. Chance of precipitation is 80%.

    Low: 70 °F

    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
Scattered showers and thunderstorms. Patchy fog after 7pm. Otherwise, cloudy, with a low around 70. East wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 30%.
Saturday
A slight chance of showers before 7am, then a slight chance of showers and thunderstorms after 2pm. Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 90. Calm wind becoming southwest around 6 mph in the morning. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Sunday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Northwest wind 3 to 5 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 71. Calm wind.
Monday
A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Tuesday
Showers and possibly a thunderstorm, mainly after 2pm. High near 87. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm before 8pm. Low around 70. Chance of precipitation is 80%.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Partly cloudy, with a low around 69.
Thursday
Mostly sunny, with a high near 89.
Thursday Night
Partly cloudy, with a low around 68.
Independence Day
Sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Washington Grove MD
 39.13°N 77.18°W (Elev. 459 ft)
Last Update:
4:29 pm EDT Jun 27, 2025
Forecast Valid:
6pm EDT Jun 27, 2025-6pm EDT Jul 4, 2025
 
Forecast Discussion
 
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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