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

Significant Coastal Impacts to the Mid-Atlantic and Northeast; Tropical Storm Nolo to Impact Hawaii

A strong coastal storm will bring moderate to major coastal flooding, strong winds, heavy rainfall and high surf to the Mid-Atlantic and New England. Tropical Storm Nolo is expected to strengthen into a hurricane today as it moves north toward the Big Island of Hawaii. Heavy rainfall may produce life-threatening, catastrophic flooding and mudslides. Read More >

Current conditions at

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

Fair

66°F

19°C

Humidity 49%
Wind Speed NE 8 mph
Barometer 30.30 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 24 Sep 5:47 pm EDT
Extended Forecast for

4 Miles SW Unionville MD

  • Tonight

    Tonight: Partly cloudy, with a low around 45. North wind 3 to 7 mph.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 71. North wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52. North wind around 9 mph.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers. Mostly sunny, with a high near 70. North wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    High: 70 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 54. North wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 54 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers. Mostly cloudy, with a high near 68. Chance of precipitation is 20%.

    High: 68 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers before 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 45. North wind 3 to 7 mph.
Friday
Mostly sunny, with a high near 71. North wind 9 to 13 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 52. North wind around 9 mph.
Saturday
A slight chance of showers. Mostly sunny, with a high near 70. North wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 54. North wind 8 to 10 mph, with gusts as high as 21 mph.
Sunday
A slight chance of showers. Mostly cloudy, with a high near 68. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers before 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 20%.
Monday
Partly sunny, with a high near 70.
Monday Night
Mostly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
A slight chance of showers. Partly sunny, with a high near 78. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Unionville MD
 39.46°N 77.16°W (Elev. 627 ft)
Last Update:
4:53 pm EDT Sep 24, 2026
Forecast Valid:
6pm EDT Sep 24, 2026-6pm EDT Oct 1, 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