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

Severe Weather and Heavy Rainfall in the Ohio Valley; Heat Continuing in the South and Southeast

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians tonight. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Fair

75°F

24°C

Humidity 100%
Wind Speed Calm
Barometer 29.85 in
Dewpoint 75°F (24°C)
Visibility 9.00 mi
Last update 11 Aug 8:35 pm EDT
Extended Forecast for

Havre de Grace MD

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 4am. Increasing clouds, with a low around 69. Light west wind. Chance of precipitation is 50%.

    Low: 69 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers between 10am and 1pm. Partly sunny, with a high near 87. Northwest wind around 5 mph becoming calm in the morning. Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly between midnight and 2am. Partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 30%.

    Low: 69 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers after 2pm. Mostly sunny, with a high near 87. Calm wind becoming west around 6 mph in the morning. Chance of precipitation is 20%.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 4am. Increasing clouds, with a low around 69. Light west wind. Chance of precipitation is 50%.
Wednesday
A slight chance of showers between 10am and 1pm. Partly sunny, with a high near 87. Northwest wind around 5 mph becoming calm in the morning. Chance of precipitation is 20%.
Wednesday Night
A chance of showers, mainly between midnight and 2am. Partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 30%.
Thursday
A slight chance of showers after 2pm. Mostly sunny, with a high near 87. Calm wind becoming west around 6 mph in the morning. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Havre de Grace MD
 39.55°N 76.1°W (Elev. 43 ft)
Last Update:
7:53 pm EDT Aug 11, 2026
Forecast Valid:
8pm EDT Aug 11, 2026-6pm EDT Aug 18, 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