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.

Partly Cloudy

36°F

2°C

Humidity 95%
Wind Speed S 16 mph
Barometer 29.60 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 10 Dec 10:15 am EST
Extended Forecast for

Jarrettsville MD

  • Today

    Today: Rain likely, mainly between 1pm and 4pm. Cloudy, with a high near 41. Southwest wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 41 °F

    Chance Rain
    then Rain
    Likely

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 28. Southwest wind 10 to 14 mph, with gusts as high as 22 mph.

    Low: 28 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 34. West wind 14 to 18 mph, with gusts as high as 30 mph.

    High: 34 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24. West wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow after 1pm. Mostly cloudy, with a high near 34. West wind 6 to 9 mph. Chance of precipitation is 30%.

    High: 34 °F

    Mostly Cloudy
    then Chance
    Snow

  • Friday Night

    Friday Night: A chance of snow. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.

    Low: 26 °F

    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.

    Low: 23 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

Detailed Forecast

Today
Rain likely, mainly between 1pm and 4pm. Cloudy, with a high near 41. Southwest wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 28. Southwest wind 10 to 14 mph, with gusts as high as 22 mph.
Thursday
Mostly sunny, with a high near 34. West wind 14 to 18 mph, with gusts as high as 30 mph.
Thursday Night
Partly cloudy, with a low around 24. West wind 10 to 13 mph, with gusts as high as 22 mph.
Friday
A chance of snow after 1pm. Mostly cloudy, with a high near 34. West wind 6 to 9 mph. Chance of precipitation is 30%.
Friday Night
A chance of snow. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 38.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.
Sunday
Partly sunny, with a high near 31.
Sunday Night
Mostly clear, with a low around 16.
Monday
Mostly sunny, with a high near 29.
Monday Night
Partly cloudy, with a low around 18.
Tuesday
Partly sunny, with a high near 33.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Jarrettsville MD
 39.61°N 76.47°W (Elev. 574 ft)
Last Update:
9:53 am EST Dec 10, 2025
Forecast Valid:
10am EST Dec 10, 2025-6pm EST Dec 16, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation