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

Storm Surge Flooding Continues in the Outer Banks; Dangerous Heat in the West

Storm surge flooding will continue through tonight in the Outer Banks in North Carolina as Hurricane Erin continues to move away from the U.S. Wind gusts up to tropical storm force are possible along the Mid-Atlantic and southern New England coasts through Friday. A dangerous, record heat wave will continue across the Desert Southwest and the Central Valley of California through Saturday. Read More >

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Mostly Cloudy

65°F

18°C

Humidity 100%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 22 Aug 12:35 am EDT
Extended Forecast for

Joppa MD

  • Overnight

    Overnight: Mostly clear, with a low around 61. North wind around 6 mph.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82. Northeast wind around 6 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 63. Calm wind.

    Low: 63 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 82. Light southwest wind becoming south 5 to 10 mph in the morning.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 68. South wind 6 to 8 mph.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.

    High: 83 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers before 8am. Mostly sunny, with a high near 82. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 61. North wind around 6 mph.
Friday
Sunny, with a high near 82. Northeast wind around 6 mph.
Friday Night
Clear, with a low around 63. Calm wind.
Saturday
Sunny, with a high near 82. Light southwest wind becoming south 5 to 10 mph in the morning.
Saturday Night
Partly cloudy, with a low around 68. South wind 6 to 8 mph.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Sunday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Monday
A chance of showers before 8am. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Joppa MD
 39.42°N 76.38°W (Elev. 98 ft)
Last Update:
10:29 pm EDT Aug 21, 2025
Forecast Valid:
12am EDT Aug 22, 2025-6pm EDT Aug 28, 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