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

39°F

4°C

Humidity 41%
Wind Speed SW 3 mph
Barometer 30.14 in
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 12 Jan 5:55 pm EST
Extended Forecast for

Perryville MD

  • Tonight

    Tonight: Mostly clear, with a low around 31. West wind 5 to 7 mph.

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 45. Light southwest wind becoming south 5 to 9 mph in the morning.

    High: 45 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40. Southwest wind 8 to 11 mph.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain, mainly after 1pm. Mostly cloudy, with a high near 47. Southwest wind 3 to 6 mph. Chance of precipitation is 30%.

    High: 47 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely before 4am, then rain likely, possibly mixed with snow. Cloudy, with a low around 30. Light and variable wind becoming northwest 5 to 10 mph after midnight. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 30 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of rain and snow, mainly before 1pm. Partly sunny, with a high near 35. Chance of precipitation is 30%.

    High: 35 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 31. West wind 5 to 7 mph.
Tuesday
Sunny, with a high near 45. Light southwest wind becoming south 5 to 9 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 40. Southwest wind 8 to 11 mph.
Wednesday
A chance of rain, mainly after 1pm. Mostly cloudy, with a high near 47. Southwest wind 3 to 6 mph. Chance of precipitation is 30%.
Wednesday Night
Rain likely before 4am, then rain likely, possibly mixed with snow. Cloudy, with a low around 30. Light and variable wind becoming northwest 5 to 10 mph after midnight. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday
A chance of rain and snow, mainly before 1pm. Partly sunny, with a high near 35. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 21.
Friday
Mostly sunny, with a high near 32.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
Partly sunny, with a high near 34.
Sunday Night
Partly cloudy, with a low around 20.
M.L.King Day
Mostly sunny, with a high near 29.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Perryville MD
 39.57°N 76.07°W (Elev. 79 ft)
Last Update:
5:46 pm EST Jan 12, 2026
Forecast Valid:
6pm EST Jan 12, 2026-6pm EST Jan 19, 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