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.

Overcast

48°F

9°C

Humidity 43%
Wind Speed SW 5 mph
Barometer 29.67 in
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 14 Jan 10:15 am EST
Extended Forecast for

3 Miles SSW Jarrettsville MD

  • Today

    Today: A chance of rain before 2pm, then a chance of rain after 5pm. Cloudy, with a high near 49. Southwest wind around 7 mph becoming south in the afternoon. Chance of precipitation is 40%.

    High: 49 °F

    Chance Rain

  • Tonight

    Tonight: Rain likely before 2am, then rain and snow likely between 2am and 4am, then a chance of snow after 4am. Cloudy, with a low around 25. Blustery, with a southwest wind 7 to 12 mph becoming northwest 17 to 22 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 25 °F

    Rain Likely
    then
    Rain/Snow
    Likely and
    Blustery

  • Thursday

    Thursday: Partly sunny, with a high near 29. Blustery, with a west wind 17 to 20 mph, with gusts as high as 31 mph.

    High: 29 °F

    Mostly Sunny
    and Blustery
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17. West wind 14 to 16 mph, with gusts as high as 31 mph.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 32. West wind 8 to 11 mph becoming south in the afternoon. Winds could gust as high as 21 mph.

    High: 32 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of snow before 1pm, then a chance of rain. Partly sunny, with a high near 40. Chance of precipitation is 30%.

    High: 40 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of rain before 2pm, then a chance of rain after 5pm. Cloudy, with a high near 49. Southwest wind around 7 mph becoming south in the afternoon. Chance of precipitation is 40%.
Tonight
Rain likely before 2am, then rain and snow likely between 2am and 4am, then a chance of snow after 4am. Cloudy, with a low around 25. Blustery, with a southwest wind 7 to 12 mph becoming northwest 17 to 22 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday
Partly sunny, with a high near 29. Blustery, with a west wind 17 to 20 mph, with gusts as high as 31 mph.
Thursday Night
Partly cloudy, with a low around 17. West wind 14 to 16 mph, with gusts as high as 31 mph.
Friday
Mostly sunny, with a high near 32. West wind 8 to 11 mph becoming south in the afternoon. Winds could gust as high as 21 mph.
Friday Night
Partly cloudy, with a low around 27.
Saturday
A chance of snow before 1pm, then a chance of rain. Partly sunny, with a high near 40. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 29.
Sunday Night
Partly cloudy, with a low around 17.
M.L.King Day
Mostly sunny, with a high near 30.
Monday Night
Partly cloudy, with a low around 15.
Tuesday
Mostly sunny, with a high near 26.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Jarrettsville MD
 39.57°N 76.5°W (Elev. 591 ft)
Last Update:
9:53 am EST Jan 14, 2026
Forecast Valid:
10am EST Jan 14, 2026-6pm EST Jan 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation