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

35°F

2°C

Humidity 49%
Wind Speed W 6 mph
Barometer 30.12 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 13 Jan 3:35 am EST
Extended Forecast for

Bel Air South MD

  • Overnight

    Overnight: Mostly clear, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 46. Light southwest wind becoming south 5 to 10 mph in the morning.

    High: 46 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 38. Southwest wind 6 to 9 mph. Chance of precipitation is 20%.

    Low: 38 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: A chance of rain, mainly after 1pm. Cloudy, with a high near 49. Southwest wind 5 to 7 mph. Chance of precipitation is 40%.

    High: 49 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely before 4am, then a chance of snow. Mostly cloudy, with a low around 25. Light and variable wind becoming northwest 11 to 16 mph in the evening. Winds could gust as high as 28 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 25 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of snow before 7am. Partly sunny, with a high near 31. Chance of precipitation is 30%.

    High: 31 °F

    Chance Snow
    then Partly
    Sunny

  • Thursday Night

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

    Low: 16 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 29. Calm wind.
Tuesday
Sunny, with a high near 46. Light southwest wind becoming south 5 to 10 mph in the morning.
Tuesday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 38. Southwest wind 6 to 9 mph. Chance of precipitation is 20%.
Wednesday
A chance of rain, mainly after 1pm. Cloudy, with a high near 49. Southwest wind 5 to 7 mph. Chance of precipitation is 40%.
Wednesday Night
Rain likely before 4am, then a chance of snow. Mostly cloudy, with a low around 25. Light and variable wind becoming northwest 11 to 16 mph in the evening. Winds could gust as high as 28 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday
A chance of snow before 7am. Partly sunny, with a high near 31. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 16.
Friday
Mostly sunny, with a high near 32.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Mostly sunny, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
Partly sunny, with a high near 33.
Sunday Night
Partly cloudy, with a low around 18.
M.L.King Day
Mostly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bel Air South MD
 39.49°N 76.34°W (Elev. 148 ft)
Last Update:
12:53 am EST Jan 13, 2026
Forecast Valid:
3am EST Jan 13, 2026-6pm EST Jan 19, 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