National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Overcast

79°F

26°C

Humidity 86%
Wind Speed SE 9 mph
Barometer 29.97 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 20 Aug 12:15 pm EDT
Extended Forecast for

Perryville MD

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 83. South wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 83 °F

    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 8pm. Patchy fog between 9pm and 2am. Otherwise, mostly cloudy, with a low around 69. North wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 69 °F

    Showers
    Likely and
    Patchy Fog
    then Patchy
    Fog

  • Friday

    Friday: Mostly sunny, with a high near 81. North wind 5 to 8 mph becoming light and variable in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Increasing clouds, with a low around 71. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 71 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 8am, then showers likely between 8am and 11am, then showers likely and possibly a thunderstorm after 11am. Cloudy, with a high near 81. Southeast wind 3 to 6 mph. Chance of precipitation is 70%.

    High: 81 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.

    Low: 71 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 30%.

    High: 83 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 83. South wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms likely, mainly before 8pm. Patchy fog between 9pm and 2am. Otherwise, mostly cloudy, with a low around 69. North wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Mostly sunny, with a high near 81. North wind 5 to 8 mph becoming light and variable in the afternoon.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Increasing clouds, with a low around 71. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers likely and possibly a thunderstorm before 8am, then showers likely between 8am and 11am, then showers likely and possibly a thunderstorm after 11am. Cloudy, with a high near 81. Southeast wind 3 to 6 mph. Chance of precipitation is 70%.
Saturday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 64. Chance of precipitation is 30%.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Perryville MD
 39.57°N 76.1°W (Elev. 3 ft)
Last Update:
10:53 am EDT Aug 20, 2026
Forecast Valid:
12pm EDT Aug 20, 2026-6pm EDT Aug 26, 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