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

Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

A Few Clouds

71°F

22°C

Humidity 71%
Wind Speed N 9 mph
Barometer 29.87 in
Dewpoint 62°F (17°C)
Visibility 7.00 mi
Last update 12 Oct 1:55 pm EDT
Extended Forecast for

Perryville MD

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 74. Northwest wind around 10 mph.

    High: 74 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 60. Northwest wind 3 to 6 mph.

    Low: 60 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 77. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 68. South wind 8 to 11 mph.

    Low: 68 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81. West wind 7 to 9 mph.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers after 2pm. Partly sunny, with a high near 71. Chance of precipitation is 20%.

    High: 71 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.

    Low: 59 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 75. Chance of precipitation is 40%.

    High: 75 °F

    Chance
    Showers

Detailed Forecast

Columbus Day
Mostly sunny, with a high near 74. Northwest wind around 10 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 60. Northwest wind 3 to 6 mph.
Tuesday
Sunny, with a high near 77. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Tuesday Night
Clear, with a low around 68. South wind 8 to 11 mph.
Wednesday
Sunny, with a high near 81. West wind 7 to 9 mph.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 20%.
Thursday
A slight chance of showers after 2pm. Partly sunny, with a high near 71. Chance of precipitation is 20%.
Thursday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 75. Chance of precipitation is 40%.
Friday Night
A slight chance of showers before 2am. Partly cloudy, with a low around 47. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 55. Breezy.
Saturday Night
Mostly clear, with a low around 39.
Sunday
Sunny, with a high near 57.
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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:
10:53 am EDT Oct 12, 2026
Forecast Valid:
2pm EDT Oct 12, 2026-6pm EDT Oct 18, 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