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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Camp David (KRSP)

Lat: 39.65°NLon: 77.47°WElev: 1841ft.

Fair

68°F

20°C

Humidity 81%
Wind Speed NA
Barometer 30.01 in (1015.5 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 27 Aug 8:54 pm EDT
Extended Forecast for

Thurmont MDSimilar City Names

  • Tonight

    Tonight: Scattered showers and thunderstorms before midnight, then isolated showers between midnight and 2am. Some of the storms could be severe. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 66. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 66 °F

    Severe
    Thunderstorms
    then Isolated
    Showers and
    Patchy Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 83. Light and variable wind.

    High: 83 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 83. Light and variable wind.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

Detailed Forecast

Tonight
Scattered showers and thunderstorms before midnight, then isolated showers between midnight and 2am. Some of the storms could be severe. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 66. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Friday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 83. Light and variable wind.
Friday Night
Partly cloudy, with a low around 64. Calm wind.
Saturday
Sunny, with a high near 83. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 67. Calm wind.
Sunday
Sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 70.
Monday
Mostly sunny, with a high near 89.
Monday Night
Partly cloudy, with a low around 72.
Tuesday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Thurmont MDSimilar City Names
 39.62°N 77.42°W (Elev. 600 ft)
Last Update:
8:25 pm EDT Aug 27, 2026
Forecast Valid:
9pm EDT Aug 27, 2026-6pm EDT Sep 3, 2026
 
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Additional Resources

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Chance of Precipitation