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.

Fair

72°F

22°C

Humidity 41%
Wind Speed Vrbl 3 mph
Barometer 29.94 in (1014.8 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 16 Jun 11:56 am EDT
Extended Forecast for

Gaithersburg MD

  • This Afternoon

    This Afternoon: Sunny, with a high near 79. Calm wind becoming southwest around 5 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: A slight chance of showers between 4am and 5am. Increasing clouds, with a low around 62. South wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 62 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then becoming sunny, with a high near 86. Southwest wind 3 to 8 mph.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 67. South wind around 5 mph becoming calm.

    Low: 67 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 92. South wind 10 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.

    High: 92 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    Showers

  • Juneteenth

    Juneteenth: A chance of showers before 2pm. Partly sunny, with a high near 82. Chance of precipitation is 40%.

    High: 82 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 79. Calm wind becoming southwest around 5 mph.
Tonight
A slight chance of showers between 4am and 5am. Increasing clouds, with a low around 62. South wind 3 to 5 mph. Chance of precipitation is 20%.
Wednesday
Mostly cloudy through mid morning, then becoming sunny, with a high near 86. Southwest wind 3 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 67. South wind around 5 mph becoming calm.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 92. South wind 10 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Juneteenth
A chance of showers before 2pm. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 61.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 85.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 64. Chance of precipitation is 20%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gaithersburg MD
 39.15°N 77.21°W (Elev. 443 ft)
Last Update:
10:53 am EDT Jun 16, 2026
Forecast Valid:
12pm EDT Jun 16, 2026-6pm EDT Jun 22, 2026
 
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