National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Fair

34°F

1°C

Humidity 47%
Wind Speed N 7 mph
Barometer 30.48 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 8 Apr 1:35 am EDT
Extended Forecast for

Jarrettsville MD

Freeze Watch April 9, 12:00am until April 9, 09:00am
Freeze Warning until April 8, 09:00am
Click here for hazard details and duration
Freeze Watch
Freeze Warning
  •  
    Freeze Warning until April 8, 09:00am

    NOW until 9:00am Wed

    Freeze Warning

  • Overnight

    Low: 27 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 50. Northeast wind around 6 mph becoming southeast in the afternoon.

    High: 50 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Widespread frost, mainly after 1am. Otherwise, mostly clear, with a low around 31. Southeast wind 3 to 6 mph.

    Low: 31 °F

    Mostly Clear
    then Frost

  • Thursday

    Thursday: Areas of frost before 9am. Otherwise, mostly sunny, with a high near 54. South wind 3 to 8 mph.

    High: 54 °F

    Areas Frost
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 38. Southeast wind 3 to 6 mph.

    Low: 38 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

Detailed Forecast

Overnight
Clear, with a low around 27. North wind around 7 mph.
Wednesday
Sunny, with a high near 50. Northeast wind around 6 mph becoming southeast in the afternoon.
Wednesday Night
Widespread frost, mainly after 1am. Otherwise, mostly clear, with a low around 31. Southeast wind 3 to 6 mph.
Thursday
Areas of frost before 9am. Otherwise, mostly sunny, with a high near 54. South wind 3 to 8 mph.
Thursday Night
Mostly clear, with a low around 38. Southeast wind 3 to 6 mph.
Friday
Sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
Mostly clear, with a low around 42.
Sunday
Sunny, with a high near 64.
Sunday Night
Partly cloudy, with a low around 51.
Monday
Partly sunny, with a high near 77.
Monday Night
Mostly cloudy, with a low around 61.
Tuesday
Partly sunny, with a high near 82.
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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:
10:53 pm EDT Apr 7, 2026
Forecast Valid:
1am EDT Apr 8, 2026-6pm EDT Apr 14, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation