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

38°F

3°C

Humidity 45%
Wind Speed W 15 G 21 mph
Barometer 29.94 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 17 Mar 1:35 pm EDT
Extended Forecast for

Fallston MD

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 40. West wind around 17 mph, with gusts as high as 29 mph.

    High: 40 °F

    Partly Sunny

  • Tonight

    Tonight: A slight chance of snow before 10pm. Mostly clear, with a low around 23. Northwest wind 5 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Low: 23 °F

    Slight Chance
    Snow then
    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38. Calm wind becoming south around 6 mph in the afternoon.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27. Light southeast wind.

    Low: 27 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 48. South wind 3 to 8 mph.

    High: 48 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of rain after 2am. Mostly cloudy, with a low around 35. Chance of precipitation is 20%.

    Low: 35 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Friday

    Friday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 40. West wind around 17 mph, with gusts as high as 29 mph.
Tonight
A slight chance of snow before 10pm. Mostly clear, with a low around 23. Northwest wind 5 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 38. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 27. Light southeast wind.
Thursday
Mostly sunny, with a high near 48. South wind 3 to 8 mph.
Thursday Night
A slight chance of rain after 2am. Mostly cloudy, with a low around 35. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 54.
Friday Night
Mostly cloudy, with a low around 40.
Saturday
Partly sunny, with a high near 56.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 62.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.
Monday
Sunny, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fallston MD
 39.51°N 76.4°W (Elev. 400 ft)
Last Update:
11:26 am EDT Mar 17, 2026
Forecast Valid:
1pm EDT Mar 17, 2026-6pm EDT Mar 23, 2026
 
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