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

Dangerous Heat in the West; Coastal Flooding & High Rip Current Risk into the Weekend on the East Coast; Flash Flooding Possible in the Southeast

A dangerous, record heat wave continues for the Desert Southwest and the Central Valley of California through Saturday, and the Pacific Northwest through Tuesday. Coastal flooding is expected through tonight at high tide along the Eastern Seaboard from Erin, while the high rip current risk and dangerous surf continue through the weekend. Flash flooding possible today in Georgia and South Carolina. Read More >

Hazardous Weather Conditions

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Fair

68°F

20°C

Humidity 99%
Wind Speed N 5 mph
Barometer 30.05 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 22 Aug 8:35 am EDT
Extended Forecast for

2 Miles SW Charlestown MD

  • Today

    Today: Sunny, with a high near 80. North wind 3 to 6 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 62. Light south wind.

    Low: 62 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 82. Calm wind becoming south 5 to 9 mph in the morning.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 68. South wind around 7 mph.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers after 2pm. Partly sunny, with a high near 82. South wind 6 to 9 mph. Chance of precipitation is 30%.

    High: 82 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 50%.

    Low: 69 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 80. North wind 3 to 6 mph.
Tonight
Clear, with a low around 62. Light south wind.
Saturday
Sunny, with a high near 82. Calm wind becoming south 5 to 9 mph in the morning.
Saturday Night
Partly cloudy, with a low around 68. South wind around 7 mph.
Sunday
A chance of showers after 2pm. Partly sunny, with a high near 82. South wind 6 to 9 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Charlestown MD
 39.56°N 76.01°W (Elev. 69 ft)
Last Update:
7:29 am EDT Aug 22, 2025
Forecast Valid:
8am EDT Aug 22, 2025-6pm EDT Aug 28, 2025
 
Forecast Discussion
 
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Additional Resources

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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