National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Surf and Rip Currents for most of the Atlantic Shoreline; Record Heat for the West

Hurricane Erin continues to track northward. Tropical storm force winds, storm surge conditions will increase for the Outer Banks today and portions of coastal Virginia. Life-threatening surf and rip currents along much of the east coast of the U.S. this week. Major to extreme HeatRisk with new record high temperatures are expected for many areas of the western U.S. this week. Read More >

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Overcast

72°F

22°C

Humidity 100%
Wind Speed NE 8 mph
Barometer 29.93 in
Dewpoint 72°F (22°C)
Visibility 8.00 mi
Last update 20 Aug 4:55 pm EDT
Extended Forecast for

Bel Air South MD

  • This Afternoon

    This Afternoon: Scattered showers. Cloudy, with a high near 74. East wind around 7 mph. Chance of precipitation is 50%.

    High: 74 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers, mainly before 2am. Cloudy, with a low around 66. Northeast wind around 7 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.

    Low: 66 °F

    Scattered
    Showers

  • Thursday

    Thursday: Isolated showers before 8am, then a slight chance of showers after 2pm. Cloudy, with a high near 74. Northeast wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 74 °F

    Cloudy then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 61. North wind 6 to 8 mph, with gusts as high as 21 mph.

    Low: 61 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 81. North wind around 6 mph.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 62.

    Low: 62 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers after 8am. Partly sunny, with a high near 82. Chance of precipitation is 50%.

    High: 82 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Scattered showers. Cloudy, with a high near 74. East wind around 7 mph. Chance of precipitation is 50%.
Tonight
Scattered showers, mainly before 2am. Cloudy, with a low around 66. Northeast wind around 7 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.
Thursday
Isolated showers before 8am, then a slight chance of showers after 2pm. Cloudy, with a high near 74. Northeast wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 61. North wind 6 to 8 mph, with gusts as high as 21 mph.
Friday
Sunny, with a high near 81. North wind around 6 mph.
Friday Night
Clear, with a low around 62.
Saturday
Sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
A chance of showers after 8am. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Sunday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Monday
A chance of showers. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly clear, with a low around 60. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Mostly sunny, with a high near 77.
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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:
4:29 pm EDT Aug 20, 2025
Forecast Valid:
5pm EDT Aug 20, 2025-6pm EDT Aug 27, 2025
 
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