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.

Partly Cloudy

35°F

2°C

Humidity 72%
Wind Speed SE 5 mph
Barometer 30.18 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 25 Dec 3:15 am EST
Extended Forecast for

Bel Air South MD

  • Overnight

    Overnight: Mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Cloudy

  • Christmas Day

    Christmas Day: Isolated showers between 9am and 11am. Partly sunny, with a high near 50. South wind 6 to 9 mph becoming north in the afternoon. Chance of precipitation is 20%.

    High: 50 °F

    Isolated
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 25. North wind 7 to 9 mph, with gusts as high as 18 mph.

    Low: 25 °F

    Mostly Clear

  • Friday

    Friday: Snow and sleet likely between 1pm and 4pm, then snow, freezing rain, and sleet likely after 4pm. Mostly cloudy, with a high near 32. North wind 5 to 7 mph becoming southeast in the afternoon. Chance of precipitation is 70%. Little or no ice accumulation expected. New snow and sleet accumulation of less than one inch possible.

    High: 32 °F

    Mostly Cloudy
    then Wintry
    Mix Likely

  • Friday Night

    Friday Night: Freezing rain and sleet, possibly mixed with snow before 1am, then rain, freezing rain, and sleet likely between 1am and 4am, then rain likely after 4am. Low around 30. Southeast wind around 6 mph becoming northeast after midnight. Chance of precipitation is 100%. New snow and sleet accumulation of less than a half inch possible.

    Low: 30 °F

    Wintry Mix

  • Saturday

    Saturday: Areas of drizzle before 10am, then a chance of rain and snow between 10am and 4pm, then patchy drizzle and snow after 4pm. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.

    High: 38 °F

    Patchy
    Rain/Snow

  • Saturday Night

    Saturday Night: Patchy drizzle before 7pm. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Patchy
    Drizzle then
    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain after 1pm. Cloudy, with a high near 43. Chance of precipitation is 40%.

    High: 43 °F

    Cloudy then
    Chance Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly after 1am. Cloudy, with a low around 37. Chance of precipitation is 70%.

    Low: 37 °F

    Rain Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 31. Calm wind.
Christmas Day
Isolated showers between 9am and 11am. Partly sunny, with a high near 50. South wind 6 to 9 mph becoming north in the afternoon. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 25. North wind 7 to 9 mph, with gusts as high as 18 mph.
Friday
Snow and sleet likely between 1pm and 4pm, then snow, freezing rain, and sleet likely after 4pm. Mostly cloudy, with a high near 32. North wind 5 to 7 mph becoming southeast in the afternoon. Chance of precipitation is 70%. Little or no ice accumulation expected. New snow and sleet accumulation of less than one inch possible.
Friday Night
Freezing rain and sleet, possibly mixed with snow before 1am, then rain, freezing rain, and sleet likely between 1am and 4am, then rain likely after 4am. Low around 30. Southeast wind around 6 mph becoming northeast after midnight. Chance of precipitation is 100%. New snow and sleet accumulation of less than a half inch possible.
Saturday
Areas of drizzle before 10am, then a chance of rain and snow between 10am and 4pm, then patchy drizzle and snow after 4pm. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.
Saturday Night
Patchy drizzle before 7pm. Mostly cloudy, with a low around 27.
Sunday
A chance of rain after 1pm. Cloudy, with a high near 43. Chance of precipitation is 40%.
Sunday Night
Rain likely, mainly after 1am. Cloudy, with a low around 37. Chance of precipitation is 70%.
Monday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 52. Chance of precipitation is 70%.
Monday Night
Partly cloudy, with a low around 22.
Tuesday
Mostly sunny, with a high near 32.
Tuesday Night
Partly cloudy, with a low around 22.
Wednesday
Mostly sunny, with a high near 37.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bel Air South MD
 39.5°N 76.31°W (Elev. 240 ft)
Last Update:
12:53 am EST Dec 25, 2025
Forecast Valid:
3am EST Dec 25, 2025-6pm EST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation