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

Excessive Rainfall Possible for the Gulf Coast and Florida; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across parts of the Gulf Coast into central/northern Florida early this week. Abnormally hot, potentially record-breaking, temperatures will continue for southern California and stretch north toward the Bay Area and Central Valley this week. Read More >

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Overcast

59°F

15°C

Humidity 100%
Wind Speed E 5 mph
Barometer 30.10 in
Dewpoint 59°F (15°C)
Visibility 9.00 mi
Last update 4 Oct 10:35 pm EDT
Extended Forecast for

Perryville MD

  • Tonight

    Tonight: Mostly cloudy, with a low around 59. Light northwest wind.

    Low: 59 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 70. Northwest wind 6 to 14 mph, with gusts as high as 20 mph.

    High: 70 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 48. Northwest wind 7 to 9 mph.

    Low: 48 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 64. North wind 5 to 7 mph.

    High: 64 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 49. Calm wind.

    Low: 49 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 54.

    Low: 54 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 59. Light northwest wind.
Monday
Partly sunny, then gradually becoming sunny, with a high near 70. Northwest wind 6 to 14 mph, with gusts as high as 20 mph.
Monday Night
Clear, with a low around 48. Northwest wind 7 to 9 mph.
Tuesday
Sunny, with a high near 64. North wind 5 to 7 mph.
Tuesday Night
Clear, with a low around 49. Calm wind.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Clear, with a low around 54.
Thursday
Sunny, with a high near 75.
Thursday Night
Mostly clear, with a low around 54.
Friday
Sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 53.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
A slight chance of showers. Partly sunny, with a high near 67. Chance of precipitation is 20%.
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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:
8:22 pm EDT Oct 4, 2026
Forecast Valid:
10pm EDT Oct 4, 2026-6pm EDT Oct 11, 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