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

Areas of Heavy to Excessive Rainfall Which May Bring Flooding

An area of thunderstorms and heavy rains may produce flash flooding in the central and southern Plains, specifically southeast Kansas, into the morning. Monsoon moisture will continue to produce areas of heavy rainfall and the potential for flooding and debris flows across the northern Intermountain West. Heavy rain continues across portions of southwest and south-central Alaska. Read More >

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Overcast

55°F

13°C

Humidity 100%
Wind Speed Calm
Barometer 30.16 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 28 Aug 4:25 am EDT
Extended Forecast for

Perryman MD

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 79. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 79 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a low around 61. Light south wind.

    Low: 61 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 80. Calm wind becoming west 5 to 8 mph in the morning.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55. Light north wind.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 76. North wind around 6 mph.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Labor Day

    Labor Day: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 79. Calm wind becoming south 5 to 7 mph in the afternoon.
Tonight
Increasing clouds, with a low around 61. Light south wind.
Friday
Mostly sunny, with a high near 80. Calm wind becoming west 5 to 8 mph in the morning.
Friday Night
Mostly clear, with a low around 55. Light north wind.
Saturday
Sunny, with a high near 76. North wind around 6 mph.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 56.
Labor Day
Mostly sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Perryman MD
 39.47°N 76.2°W (Elev. 30 ft)
Last Update:
4:29 am EDT Aug 28, 2025
Forecast Valid:
4am EDT Aug 28, 2025-6pm EDT Sep 3, 2025
 
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