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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

3 Miles SSE Jarrettsville MD

  • Today

    Today: Partly sunny, with a high near 53. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 53 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 43. South wind 7 to 9 mph.

    Low: 43 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 69. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 69 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of rain, then rain and possibly a thunderstorm after 2am. Low around 50. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Chance Rain
    then Rain

  • Friday

    Friday: Rain, mainly before 2pm. High near 57. North wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

    High: 57 °F

    Rain

  • Friday Night

    Friday Night: A chance of rain before 8pm. Partly cloudy, with a low around 29. Chance of precipitation is 30%.

    Low: 29 °F

    Chance Rain
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 53. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Tonight
Mostly cloudy, with a low around 43. South wind 7 to 9 mph.
Thursday
Partly sunny, with a high near 69. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.
Thursday Night
A chance of rain, then rain and possibly a thunderstorm after 2am. Low around 50. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Rain, mainly before 2pm. High near 57. North wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Friday Night
A chance of rain before 8pm. Partly cloudy, with a low around 29. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 46.
Saturday Night
Mostly clear, with a low around 30.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Partly sunny, with a high near 60.
Monday Night
Mostly cloudy, with a low around 47.
Tuesday
Partly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Jarrettsville MD
 39.57°N 76.47°W (Elev. 518 ft)
Last Update:
4:53 am EDT Mar 25, 2026
Forecast Valid:
6am EDT Mar 25, 2026-6pm EDT Mar 31, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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