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

Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Great Lakes

Thunderstorms with strong wind gusts and hail will be possible today from Michigan into the Lower Great Lakes region. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Numerous daily record highs and warm lows are likely. Read More >

Hazardous Weather Conditions

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Fair

87°F

31°C

Humidity 51%
Wind Speed S 10 mph
Barometer 30.12 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 21 Jun 4:15 pm EDT
Extended Forecast for

Havre de Grace MD

Extreme Heat Watch June 23, 11:00am until June 23, 09:00pm
Click here for hazard details and duration
Extreme Heat Watch

  • This Afternoon

    This Afternoon: Isolated showers before 5pm. Mostly sunny, with a high near 88. South wind around 8 mph. Chance of precipitation is 20%.

    High: 88 °F

    Isolated
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 74. Southwest wind 6 to 8 mph.

    Low: 74 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 92. Heat index values as high as 100. West wind 7 to 9 mph.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 78. Southwest wind 5 to 8 mph.

    Low: 78 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 96. Northwest wind around 6 mph.

    High: 96 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 79.

    Low: 79 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 79.

    Low: 79 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

This Afternoon
Isolated showers before 5pm. Mostly sunny, with a high near 88. South wind around 8 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 74. Southwest wind 6 to 8 mph.
Sunday
Sunny, with a high near 92. Heat index values as high as 100. West wind 7 to 9 mph.
Sunday Night
Mostly clear, with a low around 78. Southwest wind 5 to 8 mph.
Monday
Sunny, with a high near 96. Northwest wind around 6 mph.
Monday Night
Mostly clear, with a low around 79.
Tuesday
Sunny and hot, with a high near 97.
Tuesday Night
Mostly clear, with a low around 79.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Partly cloudy, with a low around 76.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 74. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Havre de Grace MD
 39.57°N 76.1°W (Elev. 3 ft)
Last Update:
1:29 pm EDT Jun 21, 2025
Forecast Valid:
4pm EDT Jun 21, 2025-6pm EDT Jun 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