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

40°F

4°C

Humidity 44%
Wind Speed N 3 mph
Barometer 30.29 in
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 1 Dec 3:55 pm EST
Extended Forecast for

4 Miles WSW Lewisville PA

  • Tonight

    Tonight: A chance of sleet after 5am. Mostly cloudy, with a low around 29. North wind around 5 mph becoming light and variable after midnight. Chance of precipitation is 30%.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Sleet

  • Tuesday

    Tuesday: Rain, possibly mixed with snow and sleet, becoming all rain after 9am. High near 39. East wind 5 to 10 mph becoming north in the afternoon. Chance of precipitation is 100%. Little or no snow and sleet accumulation expected.

    High: 39 °F

    Wintry Mix
    then Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 27. Northwest wind around 14 mph, with gusts as high as 21 mph.

    Low: 27 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 38. Northwest wind 5 to 10 mph becoming light west in the afternoon.

    High: 38 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 26. Calm wind becoming southwest around 5 mph after midnight.

    Low: 26 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Thursday Night

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

    Low: 16 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of snow. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.

    Low: 23 °F

    Chance Snow

Detailed Forecast

Tonight
A chance of sleet after 5am. Mostly cloudy, with a low around 29. North wind around 5 mph becoming light and variable after midnight. Chance of precipitation is 30%.
Tuesday
Rain, possibly mixed with snow and sleet, becoming all rain after 9am. High near 39. East wind 5 to 10 mph becoming north in the afternoon. Chance of precipitation is 100%. Little or no snow and sleet accumulation expected.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 27. Northwest wind around 14 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 38. Northwest wind 5 to 10 mph becoming light west in the afternoon.
Wednesday Night
Mostly clear, with a low around 26. Calm wind becoming southwest around 5 mph after midnight.
Thursday
Partly sunny, with a high near 39.
Thursday Night
Partly cloudy, with a low around 16.
Friday
Partly sunny, with a high near 32.
Friday Night
A chance of snow. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
Partly sunny, with a high near 40.
Sunday Night
Mostly cloudy, with a low around 22.
Monday
Mostly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Lewisville PA
 39.71°N 75.93°W (Elev. 400 ft)
Last Update:
3:52 pm EST Dec 1, 2025
Forecast Valid:
4pm EST Dec 1, 2025-6pm EST Dec 8, 2025
 
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