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

Areas of Excessive Rainfall; Refreshingly Cool Air Remains over Much of the Central and Eastern U.S.

Heavy thunderstorms may bring excessive rainfall and possible flooding over parts of the northern Gulf Coast Friday and over parts of Texas and New Mexico Friday through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures over much of the central and eastern U.S. into this weekend. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Mostly Cloudy

58°F

14°C

Humidity 100%
Wind Speed Calm
Barometer 30.04 in (1018.2 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 29 Aug 2:56 am EDT
Extended Forecast for

Rockville MD

  • Overnight

    Overnight: Mostly cloudy, with a low around 59. Light northwest wind.

    Low: 59 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 79. Northwest wind 7 to 11 mph, with gusts as high as 22 mph.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52. North wind 3 to 7 mph.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 76. North wind 3 to 5 mph.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Labor Day

    Labor Day: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 59. Light northwest wind.
Friday
Mostly sunny, with a high near 79. Northwest wind 7 to 11 mph, with gusts as high as 22 mph.
Friday Night
Partly cloudy, with a low around 52. North wind 3 to 7 mph.
Saturday
Mostly sunny, with a high near 76. North wind 3 to 5 mph.
Saturday Night
Mostly clear, with a low around 54. Calm wind.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 56.
Labor Day
Mostly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rockville MD
 39.1°N 77.13°W (Elev. 400 ft)
Last Update:
1:30 am EDT Aug 29, 2025
Forecast Valid:
3am EDT Aug 29, 2025-6pm EDT Sep 4, 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