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.

Fog/Mist

34°F

1°C

Humidity 100%
Wind Speed NW 8 mph
Barometer 29.78 in
Dewpoint 34°F (1°C)
Visibility 1.50 mi
Wind Chill27°F (-3°C)
Last update 2 Dec 11:55 am EST
Extended Forecast for

Jarrettsville MD

  • This Afternoon

    This Afternoon: Rain, mainly before 2pm. Patchy fog. High near 39. Light north wind becoming northwest 5 to 10 mph. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 39 °F

    Rain and
    Patchy Fog

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 26. Northwest wind around 14 mph, with gusts as high as 26 mph.

    Low: 26 °F

    Gradual
    Clearing

  • Wednesday

    Wednesday: Sunny, with a high near 39. Northwest wind 5 to 10 mph.

    High: 39 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 26. Calm wind becoming west around 5 mph after midnight.

    Low: 26 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 39. West wind 6 to 15 mph, with gusts as high as 24 mph.

    High: 39 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow after 1pm. Partly sunny, with a high near 33. Chance of precipitation is 30%.

    High: 33 °F

    Partly Sunny
    then Chance
    Snow

  • Friday Night

    Friday Night: A chance of snow before 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.

    Low: 24 °F

    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Rain, mainly before 2pm. Patchy fog. High near 39. Light north wind becoming northwest 5 to 10 mph. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 26. Northwest wind around 14 mph, with gusts as high as 26 mph.
Wednesday
Sunny, with a high near 39. Northwest wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 26. Calm wind becoming west around 5 mph after midnight.
Thursday
Partly sunny, with a high near 39. West wind 6 to 15 mph, with gusts as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 17.
Friday
A chance of snow after 1pm. Partly sunny, with a high near 33. Chance of precipitation is 30%.
Friday Night
A chance of snow before 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
Partly sunny, with a high near 38.
Sunday Night
Mostly cloudy, with a low around 22.
Monday
Partly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Jarrettsville MD
 39.61°N 76.47°W (Elev. 574 ft)
Last Update:
11:43 am EST Dec 2, 2025
Forecast Valid:
12pm EST Dec 2, 2025-6pm EST Dec 8, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation