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

Tracking Atmospheric River for California; Record Temperatures Further East

An atmospheric river will bring gusty to high winds, moderate to heavy rainfall, and potential flooding to California today through Saturday. Heavy snow will be possible over the Sierra Nevada mountains into Friday associated with this atmospheric river. East of these impacts dozens of record high maximum and high minimum temperatures may be broken or tied today and Friday. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

49°F

9°C

Humidity 33%
Wind Speed NW 6 mph
Barometer 30.07 in (1019.9 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 13 Nov 5:56 pm EST
Extended Forecast for

4 Miles SSW Libertytown MD

  • Tonight

    Tonight: Mostly clear, with a low around 31. Northwest wind around 6 mph becoming calm in the evening.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 55. Calm wind becoming west 5 to 7 mph in the morning.

    High: 55 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of rain after 1pm. Mostly cloudy, with a high near 60. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 60 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain. Mostly cloudy, with a low around 51. West wind 5 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.

    Low: 51 °F

    Chance Rain

  • Sunday

    Sunday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 31. Northwest wind around 6 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 55. Calm wind becoming west 5 to 7 mph in the morning.
Friday Night
Mostly cloudy, with a low around 36. Calm wind.
Saturday
A slight chance of rain after 1pm. Mostly cloudy, with a high near 60. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 51. West wind 5 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 35.
Monday
Sunny, with a high near 51.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
A chance of rain after 1pm. Partly sunny, with a high near 48. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Partly sunny, with a high near 52.
Wednesday Night
Mostly cloudy, with a low around 36.
Thursday
Mostly cloudy, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Libertytown MD
 39.42°N 77.25°W (Elev. 430 ft)
Last Update:
3:53 pm EST Nov 13, 2025
Forecast Valid:
6pm EST Nov 13, 2025-6pm EST Nov 20, 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