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

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

A Few Clouds

68°F

20°C

Humidity 100%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 20 Aug 1:35 am EDT
Extended Forecast for

4 Miles ESE Street MD

  • Overnight

    Overnight: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 83. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 11pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers
    Likely then
    Patchy Fog

  • Friday

    Friday: A chance of showers after 2pm. Patchy fog before 8am. Otherwise, increasing clouds, with a high near 81. North wind 3 to 5 mph. Chance of precipitation is 30%.

    High: 81 °F

    Patchy Fog
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 50%.

    Low: 65 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

    Low: 66 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 68. Calm wind.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 83. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 11pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers after 2pm. Patchy fog before 8am. Otherwise, increasing clouds, with a high near 81. North wind 3 to 5 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 50%.
Saturday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
A chance of showers. Mostly sunny, with a high near 82. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Street MD
 39.64°N 76.29°W (Elev. 328 ft)
Last Update:
10:52 pm EDT Aug 19, 2026
Forecast Valid:
1am EDT Aug 20, 2026-6pm EDT Aug 26, 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