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

38°F

3°C

Humidity 39%
Wind Speed W 15 G 22 mph
Barometer 29.93 in
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 17 Mar 2:15 pm EDT
Extended Forecast for

2 Miles S Jarrettsville MD

  • This Afternoon

    This Afternoon: Isolated snow showers after 3pm. Mostly cloudy, with a high near 39. West wind around 17 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    High: 39 °F

    Isolated Snow
    Showers

  • Tonight

    Tonight: Isolated snow showers before 10pm. Partly cloudy, with a low around 23. Northwest wind 5 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    Low: 23 °F

    Isolated Snow
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38. Calm wind becoming south around 6 mph in the afternoon.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27. Light southeast wind.

    Low: 27 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 48. South wind 3 to 8 mph.

    High: 48 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of rain after 2am. Mostly cloudy, with a low around 36. Chance of precipitation is 20%.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Friday

    Friday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Isolated snow showers after 3pm. Mostly cloudy, with a high near 39. West wind around 17 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Tonight
Isolated snow showers before 10pm. Partly cloudy, with a low around 23. Northwest wind 5 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 38. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 27. Light southeast wind.
Thursday
Mostly sunny, with a high near 48. South wind 3 to 8 mph.
Thursday Night
A slight chance of rain after 2am. Mostly cloudy, with a low around 36. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 54.
Friday Night
Mostly cloudy, with a low around 41.
Saturday
Partly sunny, with a high near 56.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 63.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Jarrettsville MD
 39.57°N 76.47°W (Elev. 518 ft)
Last Update:
2:24 pm EDT Mar 17, 2026
Forecast Valid:
2pm EDT Mar 17, 2026-6pm EDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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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