Thunderstorms and Heavy Rainfall in the Mid-Atlantic and Southern New England; Fire Weather Concerns in the West

Heavy rain and isolated severe thunderstorms may continue to bring flash and urban flooding to the northern Mid-Atlantic and southern New England through tonight. Isolated dry thunderstorms will continue to bring a fire weather threat to the northwestern Great Basin through Friday. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

66°F

19°C

Humidity NA
Wind Speed Vrbl 3 mph
Barometer 30.06 in (1018.9 mb)
Dewpoint N/A
Visibility 7.00 mi
Last update 1 Aug 3:56 am EDT
Extended Forecast for

3 Miles W Dayton MD

  • Overnight

    Overnight: Scattered showers.  Cloudy, with a low around 65. North wind around 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 30%.

    Low: 65 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers, mainly before 8am.  Mostly cloudy, with a high near 76. North wind around 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 30%.

    High: 76 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming clear, with a low around 60. North wind around 7 mph.

    Low: 60 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 80. North wind around 8 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59. Light northeast wind.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Overnight
Scattered showers. Cloudy, with a low around 65. North wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Friday
Scattered showers, mainly before 8am. Mostly cloudy, with a high near 76. North wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, then gradually becoming clear, with a low around 60. North wind around 7 mph.
Saturday
Sunny, with a high near 80. North wind around 8 mph.
Saturday Night
Mostly clear, with a low around 59. Light northeast wind.
Sunday
Sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Partly sunny, with a high near 85.
Tuesday Night
Mostly cloudy, with a low around 66.
Wednesday
Mostly cloudy, with a high near 83.
Wednesday Night
Mostly cloudy, with a low around 65.
Thursday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Dayton MD
 39.23°N 77.05°W (Elev. 499 ft)
4:30 am EDT Aug 1, 2025
4am EDT Aug 1, 2025-6pm EDT Aug 7, 2025
 
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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