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.

Overcast

46°F

8°C

Humidity 44%
Wind Speed S 7 mph
Barometer 29.68 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 14 Jan 2:55 am EST
Extended Forecast for

Perryville MD

  • Overnight

    Overnight: Cloudy, with a low around 41. South wind around 8 mph.

    Low: 41 °F

    Cloudy

  • Wednesday

    Wednesday: A slight chance of rain between 7am and noon. Mostly cloudy, with a high near 49. Southwest wind 5 to 7 mph. Chance of precipitation is 20%.

    High: 49 °F

    Slight Chance
    Rain then
    Cloudy

  • Wednesday Night

    Wednesday Night: Rain likely before 3am, then a chance of rain and snow. Cloudy, with a low around 27. Light and variable wind becoming northwest 8 to 13 mph after midnight. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Chance Rain
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: Partly sunny, with a high near 30. West wind 13 to 17 mph, with gusts as high as 23 mph.

    High: 30 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 20. West wind 13 to 16 mph, with gusts as high as 21 mph.

    Low: 20 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of rain and snow before 1pm, then a chance of rain. Partly sunny, with a high near 41. Chance of precipitation is 30%.

    High: 41 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 41. South wind around 8 mph.
Wednesday
A slight chance of rain between 7am and noon. Mostly cloudy, with a high near 49. Southwest wind 5 to 7 mph. Chance of precipitation is 20%.
Wednesday Night
Rain likely before 3am, then a chance of rain and snow. Cloudy, with a low around 27. Light and variable wind becoming northwest 8 to 13 mph after midnight. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
Partly sunny, with a high near 30. West wind 13 to 17 mph, with gusts as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 20. West wind 13 to 16 mph, with gusts as high as 21 mph.
Friday
Mostly sunny, with a high near 33.
Friday Night
Partly cloudy, with a low around 30.
Saturday
A chance of rain and snow before 1pm, then a chance of rain. Partly sunny, with a high near 41. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 31.
Sunday Night
Mostly clear, with a low around 21.
M.L.King Day
Mostly sunny, with a high near 31.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
Mostly sunny, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Perryville MD
 39.57°N 76.07°W (Elev. 79 ft)
Last Update:
12:53 am EST Jan 14, 2026
Forecast Valid:
3am EST Jan 14, 2026-6pm EST Jan 20, 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