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

Areas of Extreme Heat and Excessive Rainfall Potential

Dangerous and extreme heat will remain across portions of the central U.S. this week, persisting across the mid to lower Mississippi Valley, Gulf Coast, southern Plains and portions of Texas. A heat wave over the Southwest U.S. will peak this weekend. Heavy to excessive rainfall may produce flash flooding from the Delmarva Peninsula north into the Hudson Valley today and tonight. Read More >

Hazardous Weather Conditions

Current conditions at

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

A Few Clouds

72°F

22°C

Humidity 94%
Wind Speed Calm
Barometer 29.61 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 28 Jul 7:45 pm EDT
Extended Forecast for

Mount Airy MD

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm. Some of the storms could be severe. Patchy fog between midnight and 2am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 64. Calm wind becoming northwest around 6 mph after midnight. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Severe
    Thunderstorms
    then Patchy
    Fog

  • Wednesday

    Wednesday: Mostly sunny, with a high near 81. Northwest wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 81 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64. Northwest wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 81. Northwest wind around 11 mph, with gusts as high as 21 mph.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 63. North wind around 6 mph becoming calm in the evening.

    Low: 63 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 20%.

    Low: 68 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm. Some of the storms could be severe. Patchy fog between midnight and 2am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 64. Calm wind becoming northwest around 6 mph after midnight. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Mostly sunny, with a high near 81. Northwest wind 9 to 13 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 64. Northwest wind 7 to 9 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 81. Northwest wind around 11 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 63. North wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Partly sunny, with a high near 86.
Saturday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 20%.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 83. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 50%.
Monday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Airy MD
 39.39°N 77.14°W (Elev. 699 ft)
Last Update:
5:28 pm EDT Jul 28, 2026
Forecast Valid:
7pm EDT Jul 28, 2026-6pm EDT Aug 4, 2026
 
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