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.

Fair

34°F

1°C

Humidity 56%
Wind Speed Calm
Barometer 30.13 in
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 12 Jan 9:15 pm EST
Extended Forecast for

2 Miles WSW Jarrettsville MD

  • Tonight

    Tonight: Mostly clear, with a low around 29. West wind 3 to 5 mph.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 45. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 45 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain. Cloudy, with a high near 47. Southwest wind around 7 mph. Chance of precipitation is 40%.

    High: 47 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely before 4am, then rain and snow likely. Cloudy, with a low around 27. Light and variable wind becoming northwest 5 to 10 mph after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 27 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: Snow likely, mainly before 7am. Partly sunny, with a high near 32. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Snow Likely
    then Chance
    Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 29. West wind 3 to 5 mph.
Tuesday
Sunny, with a high near 45. Light and variable wind becoming south 5 to 10 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 36. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Wednesday
A chance of rain. Cloudy, with a high near 47. Southwest wind around 7 mph. Chance of precipitation is 40%.
Wednesday Night
Rain likely before 4am, then rain and snow likely. Cloudy, with a low around 27. Light and variable wind becoming northwest 5 to 10 mph after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday
Snow likely, mainly before 7am. Partly sunny, with a high near 32. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
Partly cloudy, with a low around 16.
Friday
Mostly sunny, with a high near 30.
Friday Night
Partly cloudy, with a low around 23.
Saturday
Mostly sunny, with a high near 38.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
Partly sunny, with a high near 31.
Sunday Night
Partly cloudy, with a low around 14.
M.L.King Day
Mostly sunny, with a high near 28.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Jarrettsville MD
 39.59°N 76.53°W (Elev. 600 ft)
Last Update:
8:32 pm EST Jan 12, 2026
Forecast Valid:
9pm EST Jan 12, 2026-6pm EST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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