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.

Rain Fog/Mist

40°F

4°C

Humidity 100%
Wind Speed NW 12 G 18 mph
Barometer 29.86 in
Dewpoint 40°F (4°C)
Visibility 3.00 mi
Wind Chill33°F (1°C)
Last update 12 Mar 10:15 am EDT
Extended Forecast for

Bel Air South MD

  • Today

    Today: Rain and snow. Steady temperature around 39. Breezy, with a northwest wind 14 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than a half inch possible.

    High: 39 °F

    Rain/Snow and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 28. Northwest wind 5 to 9 mph.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 48. Breezy, with a south wind 5 to 10 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 48 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 38. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 29 mph.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 53. West wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 53 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 37.

    Low: 37 °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

  • Monday

    Monday: Showers. High near 64. Breezy. Chance of precipitation is 90%.

    High: 64 °F

    Showers and
    Breezy

Detailed Forecast

Today
Rain and snow. Steady temperature around 39. Breezy, with a northwest wind 14 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Mostly clear, with a low around 28. Northwest wind 5 to 9 mph.
Friday
Increasing clouds, with a high near 48. Breezy, with a south wind 5 to 10 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 40 mph.
Friday Night
Mostly clear, with a low around 38. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 29 mph.
Saturday
Mostly sunny, with a high near 53. West wind 9 to 11 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 37.
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. Breezy. Chance of precipitation is 90%.
Monday Night
A chance of showers before 2am. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.
Tuesday
Mostly sunny, with a high near 38.
Tuesday Night
Mostly clear, with a low around 23.
Wednesday
Sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bel Air South MD
 39.51°N 76.34°W (Elev. 249 ft)
Last Update:
8:12 am EDT Mar 12, 2026
Forecast Valid:
10am EDT Mar 12, 2026-6pm EDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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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