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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Bel Air South MD

  • Overnight

    Overnight: A chance of rain, mainly after 5am. Mostly cloudy, with a low around 42. West wind around 8 mph. Chance of precipitation is 30%.

    Low: 42 °F

    Chance Rain

  • Thursday

    Thursday: Rain before 11am, then rain, possibly mixed with snow. Temperature falling to around 36 by 1pm. Breezy, with a northwest wind 13 to 21 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 45 °F⇓

    Rain/Snow and
    Breezy

  • Thursday Night

    Thursday Night: 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 light south wind increasing to 18 to 23 mph in the morning. Winds could gust as high as 37 mph.

    High: 48 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 38. South wind 11 to 14 mph becoming west after midnight. Winds could gust as high as 25 mph.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 53.

    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

Detailed Forecast

Overnight
A chance of rain, mainly after 5am. Mostly cloudy, with a low around 42. West wind around 8 mph. Chance of precipitation is 30%.
Thursday
Rain before 11am, then rain, possibly mixed with snow. Temperature falling to around 36 by 1pm. Breezy, with a northwest wind 13 to 21 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday Night
Mostly clear, with a low around 28. Northwest wind 5 to 9 mph.
Friday
Increasing clouds, with a high near 48. Breezy, with a light south wind increasing to 18 to 23 mph in the morning. Winds could gust as high as 37 mph.
Friday Night
Mostly clear, with a low around 38. South wind 11 to 14 mph becoming west after midnight. Winds could gust as high as 25 mph.
Saturday
Mostly sunny, with a high near 53.
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. 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:
1:03 am EDT Mar 12, 2026
Forecast Valid:
1am EDT Mar 12, 2026-6pm EDT Mar 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