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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Overcast

71°F

22°C

Humidity 100%
Wind Speed N 3 mph
Barometer 30.02 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 28 Aug 9:15 am EDT
Extended Forecast for

Havre de Grace MD

  • Today

    Today: A slight chance of showers and thunderstorms after 11am. Partly sunny, with a high near 84. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 63. North wind 5 to 7 mph.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 83. North wind 5 to 8 mph.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64. Light and variable wind becoming east around 5 mph.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 86. South wind 6 to 10 mph.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 71.

    Low: 71 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 72.

    Low: 72 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 20%.

    High: 91 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
A slight chance of showers and thunderstorms after 11am. Partly sunny, with a high near 84. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 63. North wind 5 to 7 mph.
Saturday
Sunny, with a high near 83. North wind 5 to 8 mph.
Saturday Night
Mostly clear, with a low around 64. Light and variable wind becoming east around 5 mph.
Sunday
Mostly sunny, with a high near 86. South wind 6 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 71.
Monday
Mostly sunny, with a high near 90.
Monday Night
Mostly cloudy, with a low around 72.
Tuesday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Havre de Grace MD
 39.55°N 76.1°W (Elev. 43 ft)
Last Update:
7:52 am EDT Aug 28, 2026
Forecast Valid:
9am EDT Aug 28, 2026-6pm EDT Sep 3, 2026
 
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