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

31°F

-1°C

Humidity 66%
Wind Speed SW 5 mph
Barometer 30.25 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 12 Jan 8:35 am EST
Extended Forecast for

Bel Air South MD

  • Today

    Today: Sunny, with a high near 43. West wind 7 to 10 mph.

    High: 43 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 28. Southwest wind around 5 mph becoming calm in the evening.

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 45. Calm wind becoming south 5 to 8 mph in the morning.

    High: 45 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. Southwest wind around 7 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain. Mostly cloudy, with a high near 48. Southwest wind 3 to 6 mph. Chance of precipitation is 30%.

    High: 48 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 1am. Cloudy, with a low around 34. Chance of precipitation is 60%.

    Low: 34 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain. Mostly cloudy, with a high near 39. Chance of precipitation is 50%.

    High: 39 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 20. Chance of precipitation is 40%.

    Low: 20 °F

    Chance
    Rain/Snow

  • Friday

    Friday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 43. West wind 7 to 10 mph.
Tonight
Mostly clear, with a low around 28. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 45. Calm wind becoming south 5 to 8 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 36. Southwest wind around 7 mph.
Wednesday
A chance of rain. Mostly cloudy, with a high near 48. Southwest wind 3 to 6 mph. Chance of precipitation is 30%.
Wednesday Night
Rain likely, mainly after 1am. Cloudy, with a low around 34. Chance of precipitation is 60%.
Thursday
A chance of rain. Mostly cloudy, with a high near 39. Chance of precipitation is 50%.
Thursday Night
A chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 20. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 33.
Friday Night
Mostly clear, with a low around 22.
Saturday
Mostly sunny, with a high near 39.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
A chance of snow. Mostly sunny, with a high near 32. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bel Air South MD
 39.48°N 76.32°W (Elev. 249 ft)
Last Update:
6:53 am EST Jan 12, 2026
Forecast Valid:
8am EST Jan 12, 2026-6pm EST Jan 18, 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