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.

A Few Clouds

37°F

3°C

Humidity 67%
Wind Speed SE 7 mph
Barometer 30.20 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 25 Dec 2:35 am EST
Extended Forecast for

Fallston MD

  • Overnight

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

    Low: 31 °F

    Mostly Cloudy

  • Christmas Day

    Christmas Day: Isolated showers between 9am and 10am. Partly sunny, with a high near 50. South wind 6 to 10 mph becoming north in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 20%.

    High: 50 °F

    Isolated
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 24. North wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 24 °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 31. North wind 6 to 8 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: 31 °F

    Mostly Cloudy
    then Wintry
    Mix Likely

  • Friday Night

    Friday Night: Freezing rain and sleet before 4am, then a chance of freezing rain. Low around 29. Southeast wind around 7 mph becoming northeast after midnight. Chance of precipitation is 90%. New sleet accumulation of less than a half inch possible.

    Low: 29 °F

    Wintry Mix

  • Saturday

    Saturday: Patchy drizzle before 10am, then a slight chance of snow between 10am and 4pm, then patchy drizzle and snow after 4pm. Mostly cloudy, with a high near 38. Chance of precipitation is 20%.

    High: 38 °F

    Patchy
    Drizzle/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 42. Chance of precipitation is 40%.

    High: 42 °F

    Cloudy then
    Chance Rain

  • Sunday Night

    Sunday Night: Rain likely. 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. Light south wind.
Christmas Day
Isolated showers between 9am and 10am. Partly sunny, with a high near 50. South wind 6 to 10 mph becoming north in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 24. North wind 7 to 10 mph, with gusts as high as 20 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 31. North wind 6 to 8 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 before 4am, then a chance of freezing rain. Low around 29. Southeast wind around 7 mph becoming northeast after midnight. Chance of precipitation is 90%. New sleet accumulation of less than a half inch possible.
Saturday
Patchy drizzle before 10am, then a slight chance of snow between 10am and 4pm, then patchy drizzle and snow after 4pm. Mostly cloudy, with a high near 38. Chance of precipitation is 20%.
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 42. Chance of precipitation is 40%.
Sunday Night
Rain likely. 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 60%.
Monday Night
Mostly cloudy, with a low around 22.
Tuesday
Mostly sunny, with a high near 31.
Tuesday Night
Partly cloudy, with a low around 21.
Wednesday
Mostly sunny, with a high near 37.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fallston MD
 39.54°N 76.42°W (Elev. 397 ft)
Last Update:
12:53 am EST Dec 25, 2025
Forecast Valid:
2am EST Dec 25, 2025-6pm EST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation