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

Unsettled Weather in the Eastern U.S. through Memorial Day

Showers and thunderstorms are expected from Texas to the Northeast through Tuesday. Heavy rain will create mainly localized areas of flash flooding across the central Gulf Coast into the Appalachians. Elevated to Critical fire weather conditions due to gusty winds and low humidity are expected through Tuesday across Oregon and Nevada. Showers and thunderstorms will develop over the Northwest. Read More >

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Fog

58°F

14°C

Humidity 100%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 58°F (14°C)
Visibility 0.50 mi
Last update 25 May 3:15 am EDT
Extended Forecast for

Perryville MD

  • Overnight

    Overnight: A chance of showers, mainly after 4am. Patchy fog. Otherwise, cloudy, with a low around 59. Light east wind. Chance of precipitation is 30%.

    Low: 59 °F

    Chance
    Showers and
    Patchy Fog

  • Memorial Day

    Memorial Day: Showers, mainly before noon. Patchy fog before 10am. High near 71. Light southwest wind. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 71 °F

    Showers and
    Patchy Fog
    then Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers before 7pm, then a slight chance of showers after 2am. Patchy fog between 11pm and 3am. Otherwise, mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 20%.

    Low: 63 °F

    Patchy Fog
    then Slight
    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Partly sunny, with a high near 75. Light and variable wind.

    High: 75 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers before 2pm. Partly sunny, with a high near 74. Chance of precipitation is 20%.

    High: 74 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of showers, mainly after 4am. Patchy fog. Otherwise, cloudy, with a low around 59. Light east wind. Chance of precipitation is 30%.
Memorial Day
Showers, mainly before noon. Patchy fog before 10am. High near 71. Light southwest wind. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A slight chance of showers before 7pm, then a slight chance of showers after 2am. Patchy fog between 11pm and 3am. Otherwise, mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 75. Light and variable wind.
Tuesday Night
Mostly cloudy, with a low around 64. Calm wind.
Wednesday
A slight chance of showers before 2pm. Partly sunny, with a high near 74. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 64.
Thursday
Sunny, with a high near 74.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Mostly sunny, with a high near 72.
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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:
2:22 am EDT May 25, 2026
Forecast Valid:
3am EDT May 25, 2026-6pm EDT May 31, 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