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

Hazardous Weather Conditions

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Mostly Cloudy

77°F

25°C

Humidity 100%
Wind Speed S 3 mph
Barometer 30.01 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 14 Aug 9:15 pm EDT
Extended Forecast for

4 Miles SSE Charlestown MD

  • Tonight

    Tonight: Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Northeast wind 3 to 6 mph. Chance of precipitation is 30%.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 70. Light east wind. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 86. East wind 3 to 5 mph.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 67. Light southeast wind.

    Low: 67 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of showers before 2am. Partly cloudy, with a low around 70. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 72. Calm wind.
Friday
A slight chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Northeast wind 3 to 6 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 70. Light east wind. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 86. East wind 3 to 5 mph.
Saturday Night
Mostly clear, with a low around 67. Light southeast wind.
Sunday
Sunny, with a high near 89.
Sunday Night
A chance of showers before 2am. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 82.
Monday Night
Mostly cloudy, with a low around 65.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Charlestown MD
 39.53°N 75.93°W (Elev. 85 ft)
Last Update:
7:29 pm EDT Aug 14, 2025
Forecast Valid:
9pm EDT Aug 14, 2025-6pm EDT Aug 21, 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