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

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

Partly Cloudy

82°F

28°C

Humidity 74%
Wind Speed NE 8 mph
Barometer 30.05 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 28 Aug 5:47 pm EDT
Extended Forecast for

Monrovia MD

  • Tonight

    Tonight: Mostly clear, with a low around 60. North wind around 6 mph becoming calm.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82. Northeast wind around 5 mph becoming calm in the morning.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers between 1am and 2am. Increasing clouds, with a low around 66. Light and variable wind. Chance of precipitation is 20%.

    Low: 66 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy through mid morning, then becoming sunny, with a high near 87. Southwest wind 3 to 7 mph.

    High: 87 °F

    Sunny

  • Sunday Night

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

    Low: 70 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Monday Night

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

    Low: 72 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 60. North wind around 6 mph becoming calm.
Saturday
Sunny, with a high near 82. Northeast wind around 5 mph becoming calm in the morning.
Saturday Night
A slight chance of showers between 1am and 2am. Increasing clouds, with a low around 66. Light and variable wind. Chance of precipitation is 20%.
Sunday
Mostly cloudy through mid morning, then becoming sunny, with a high near 87. Southwest wind 3 to 7 mph.
Sunday Night
Partly cloudy, with a low around 70. Calm wind.
Monday
Mostly sunny, with a high near 90.
Monday Night
Partly cloudy, with a low around 72.
Tuesday
Mostly sunny, with a high near 92.
Tuesday Night
Partly cloudy, with a low around 74.
Wednesday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Friday
A slight chance of showers. Mostly sunny, with a high near 86. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Monrovia MD
 39.36°N 77.26°W (Elev. 449 ft)
Last Update:
4:53 pm EDT Aug 28, 2026
Forecast Valid:
6pm EDT Aug 28, 2026-6pm EDT Sep 4, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation