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

53°F

12°C

Humidity 24%
Wind Speed W 13 G 22 mph
Barometer 30.10 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 14 Mar 1:15 pm EDT
Extended Forecast for

Fallston MD

  • This Afternoon

    This Afternoon: Sunny, with a high near 51. West wind around 16 mph, with gusts as high as 29 mph.

    High: 51 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 35. Light and variable wind.

    Low: 35 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 55. Southeast wind 7 to 16 mph, with gusts as high as 26 mph.

    High: 55 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers. Low around 49. Southeast wind around 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Showers
    Likely then
    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 2pm. High near 64. Breezy, with a south wind 14 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 100%.

    High: 64 °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. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Showers then
    Rain/Snow

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 51. West wind around 16 mph, with gusts as high as 29 mph.
Tonight
Increasing clouds, with a low around 35. Light and variable wind.
Sunday
Mostly cloudy, with a high near 55. Southeast wind 7 to 16 mph, with gusts as high as 26 mph.
Sunday Night
Showers. Low around 49. Southeast wind around 13 mph, with gusts as high as 24 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 64. Breezy, with a south wind 14 to 21 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. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Tuesday
Mostly sunny, with a high near 36.
Tuesday Night
Mostly clear, with a low around 22.
Wednesday
Partly sunny, with a high near 39.
Wednesday Night
Partly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 48.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Mostly sunny, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fallston MD
 39.52°N 76.43°W (Elev. 410 ft)
Last Update:
10:53 am EDT Mar 14, 2026
Forecast Valid:
1pm EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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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