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

Flooding Threat Along the Gulf Coast, Southern Rockies and High Plains; Cooler Weather in the Central and Eastern U.S.

Strong thunderstorms may bring excessive rainfall and flooding over parts of the northern Gulf Coast today and over parts of the southern Rockies into the High Plains today through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures across the central and eastern U.S. through the weekend. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

59°F

15°C

Humidity 62%
Wind Speed Calm
Barometer 30.06 in (1018.9 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 29 Aug 11:56 pm EDT
Extended Forecast for

2 Miles SE Mount Airy MD

  • Overnight

    Overnight: Partly cloudy, with a low around 50. North wind 6 to 9 mph.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 73. North wind around 6 mph.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 76. Light north wind.

    High: 76 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 50. North wind 6 to 9 mph.
Saturday
Sunny, with a high near 73. North wind around 6 mph.
Saturday Night
Mostly clear, with a low around 51. Calm wind.
Sunday
Mostly sunny, with a high near 76. Light north wind.
Sunday Night
Partly cloudy, with a low around 54. Calm wind.
Labor Day
Mostly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Mostly cloudy, with a low around 60.
Thursday
A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 50%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 73. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Mount Airy MD
 39.34°N 77.12°W (Elev. 699 ft)
Last Update:
11:29 pm EDT Aug 29, 2025
Forecast Valid:
12am EDT Aug 30, 2025-6pm EDT Sep 5, 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