Dangerous Surf and Rip Currents for most of the Atlantic Shoreline; Record Heat for the West

Hurricane Erin continues to track northward. Tropical storm force winds, storm surge conditions will increase for the Outer Banks today and portions of coastal Virginia. Life-threatening surf and rip currents along much of the east coast of the U.S. this week. Major to extreme HeatRisk with new record high temperatures are expected for many areas of the western U.S. this week. Read More >

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Overcast

66°F

19°C

Humidity 100%
Wind Speed E 6 mph
Barometer 30.01 in
Dewpoint 66°F (19°C)
Visibility 8.00 mi
Last update 20 Aug 8:45 am EDT
Extended Forecast for

4 Miles WNW Conowingo MD

  • Today

    Today: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm.  Patchy fog before 1pm.  Otherwise, mostly cloudy, with a high near 82. East wind around 6 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Showers
    Likely and
    Patchy Fog

  • Tonight

    Tonight: Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 3am.  Patchy fog between 11pm and 5am.  Otherwise, mostly cloudy, with a low around 64. Northeast wind around 7 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: A slight chance of showers after 2pm.  Patchy fog between 7am and noon.  Otherwise, mostly cloudy, with a high near 76. Northeast wind 9 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    High: 76 °F

    Patchy Fog
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 59. North wind 7 to 9 mph.

    Low: 59 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 82. North wind 6 to 8 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers after 2pm.  Partly sunny, with a high near 82. Chance of precipitation is 50%.

    High: 82 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 82. East wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 3am. Patchy fog between 11pm and 5am. Otherwise, mostly cloudy, with a low around 64. Northeast wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers after 2pm. Patchy fog between 7am and noon. Otherwise, mostly cloudy, with a high near 76. Northeast wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 59. North wind 7 to 9 mph.
Friday
Sunny, with a high near 82. North wind 6 to 8 mph.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
A chance of showers after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Sunday Night
A chance of showers before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Monday
A chance of showers. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly clear, with a low around 58. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Conowingo MD
 39.7°N 76.25°W (Elev. 194 ft)
7:29 am EDT Aug 20, 2025
8am EDT Aug 20, 2025-6pm EDT Aug 26, 2025
 
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Additional Resources

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