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

Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

77°F

25°C

Humidity 50%
Wind Speed Vrbl 3 mph
Barometer 30.21 in (1024.1 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 2 Aug 5:56 pm EDT
Extended Forecast for

Garrett Park MDSimilar City Names

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 61. Northeast wind around 6 mph becoming calm in the evening.

    Low: 61 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 83. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62. Light and variable wind.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 87. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65. Light and variable wind.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 67.

    Low: 67 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 83.

    High: 83 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.

    Low: 67 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 61. Northeast wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 83. Calm wind becoming northeast around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 62. Light and variable wind.
Monday
Sunny, with a high near 87. Calm wind becoming northeast around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 65. Light and variable wind.
Tuesday
Partly sunny, with a high near 86.
Tuesday Night
Mostly cloudy, with a low around 67.
Wednesday
Mostly cloudy, with a high near 83.
Wednesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Thursday
A chance of showers before 8am. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 66.
Friday
Mostly sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 67.
Saturday
Mostly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Garrett Park MDSimilar City Names
 39.03°N 77.09°W (Elev. 249 ft)
Last Update:
4:31 pm EDT Aug 2, 2025
Forecast Valid:
6pm EDT Aug 2, 2025-6pm EDT Aug 9, 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