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

Hurricane Erin Moving Away from the North Carolina Coast, Dangerous Surf & Rip Currents Continue; Hazardous Heat out West

Tropical storm conditions, storm surge flooding and coastal flooding continue today across the Outer Banks and portions of the Mid-Atlantic coast. Life-threatening rip currents and high surf continue to impact much of the East Coast through the end of the week. Hazardous, record heat will continue across the Western U.S. through the weekend. Read More >

Current conditions at

Patuxent River, Naval Air Station (KNHK)

Lat: 38.28°NLon: 76.41°WElev: 39ft.

Overcast

70°F

21°C

Humidity 82%
Wind Speed N 17 G 25 mph
Barometer 29.88 in (1011.7 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 21 Aug 2:52 pm EDT
Extended Forecast for

Great Mills MD

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 64. North wind 7 to 15 mph, with gusts as high as 26 mph.

    Low: 64 °F

    Gradual
    Clearing

  • Friday

    Friday: Sunny, with a high near 80. North wind around 8 mph.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 64. Light and variable wind.

    Low: 64 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 80. Light south wind becoming southeast 5 to 10 mph in the morning.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68. South wind 6 to 8 mph.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 20%.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 64. North wind 7 to 15 mph, with gusts as high as 26 mph.
Friday
Sunny, with a high near 80. North wind around 8 mph.
Friday Night
Clear, with a low around 64. Light and variable wind.
Saturday
Sunny, with a high near 80. Light south wind becoming southeast 5 to 10 mph in the morning.
Saturday Night
Mostly clear, with a low around 68. South wind 6 to 8 mph.
Sunday
A slight chance of showers after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
Sunday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 78.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Great Mills MD
 38.25°N 76.51°W (Elev. 49 ft)
Last Update:
1:30 pm EDT Aug 21, 2025
Forecast Valid:
3pm EDT Aug 21, 2025-6pm EDT Aug 28, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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