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

4 Miles N Jarrettsville MD

  • Overnight

    Overnight: A chance of rain after 4am.  Mostly cloudy, with a low around 40. West wind around 9 mph, with gusts as high as 18 mph.  Chance of precipitation is 30%.

    Low: 40 °F

    Chance Rain

  • Thursday

    Thursday: Rain and snow before 1pm, then snow likely between 1pm and 2pm, then a chance of rain and snow after 2pm.  Temperature falling to around 35 by 1pm. Breezy, with a northwest wind 14 to 21 mph, with gusts as high as 39 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 43 °F

    Rain/Snow and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 27. Northwest wind 5 to 9 mph.

    Low: 27 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 47. Breezy, with a south wind 5 to 10 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 47 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 37. South wind around 11 mph becoming west after midnight. Winds could gust as high as 24 mph.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers, mainly after 2am.  Low around 49. Chance of precipitation is 80%.

    Low: 49 °F

    Chance
    Showers then
    Showers

Detailed Forecast

Overnight
A chance of rain after 4am. Mostly cloudy, with a low around 40. West wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Thursday
Rain and snow before 1pm, then snow likely between 1pm and 2pm, then a chance of rain and snow after 2pm. Temperature falling to around 35 by 1pm. Breezy, with a northwest wind 14 to 21 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday Night
Mostly clear, with a low around 27. Northwest wind 5 to 9 mph.
Friday
Increasing clouds, with a high near 47. Breezy, with a south wind 5 to 10 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 36 mph.
Friday Night
Mostly clear, with a low around 37. South wind around 11 mph becoming west after midnight. Winds could gust as high as 24 mph.
Saturday
Mostly sunny, with a high near 51.
Saturday Night
Mostly cloudy, with a low around 35.
Sunday
Mostly cloudy, with a high near 55.
Sunday Night
Showers, mainly after 2am. Low around 49. Chance of precipitation is 80%.
Monday
Showers. High near 64. Chance of precipitation is 90%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Tuesday
Mostly sunny, with a high near 37.
Tuesday Night
Mostly clear, with a low around 21.
Wednesday
Mostly sunny, with a high near 39.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Jarrettsville MD
 39.66°N 76.49°W (Elev. 449 ft)
1:53 am EDT Mar 12, 2026
2am EDT Mar 12, 2026-6pm EDT Mar 18, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database