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

51°F

11°C

Humidity 21%
Wind Speed W 17 G 28 mph
Barometer 30.09 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 14 Mar 12:55 pm EDT
Extended Forecast for

Bel Air South MD

  • This Afternoon

    This Afternoon: Sunny, with a high near 53. West wind 15 to 17 mph, with gusts as high as 29 mph.

    High: 53 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 36. Light and variable wind.

    Low: 36 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 56. Southeast wind 6 to 16 mph, with gusts as high as 26 mph.

    High: 56 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers, mainly after 2am. Low around 49. Southeast wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 2pm. High near 65. Breezy, with a south wind 14 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 100%.

    High: 65 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Rain showers before 2am, then a slight chance of rain and snow showers. Some thunder is also possible. Low around 29. Breezy. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Showers and
    Breezy then
    Rain/Snow

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 53. West wind 15 to 17 mph, with gusts as high as 29 mph.
Tonight
Increasing clouds, with a low around 36. Light and variable wind.
Sunday
Mostly cloudy, with a high near 56. Southeast wind 6 to 16 mph, with gusts as high as 26 mph.
Sunday Night
Showers, mainly after 2am. Low around 49. Southeast wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Showers, with thunderstorms also possible after 2pm. High near 65. Breezy, with a south wind 14 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 100%.
Monday Night
Rain showers before 2am, then a slight chance of rain and snow showers. Some thunder is also possible. Low around 29. Breezy. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Tuesday
Mostly sunny, with a high near 37.
Tuesday Night
Mostly clear, with a low around 23.
Wednesday
Partly sunny, with a high near 40.
Wednesday Night
Partly cloudy, with a low around 30.
Thursday
Mostly sunny, with a high near 49.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Mostly sunny, with a high near 55.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bel Air South MD
 39.5°N 76.31°W (Elev. 240 ft)
Last Update:
10:53 am EDT Mar 14, 2026
Forecast Valid:
1pm EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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