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

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Hazardous Weather Conditions

Current conditions at

Patuxent River, Naval Air Station (KNHK)

Lat: 38.28°NLon: 76.41°WElev: 39ft.

Fair and Breezy

48°F

9°C

Humidity 48%
Wind Speed N 21 G 31 mph
Barometer 30.48 in (1032.0 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 18 Oct 5:52 am EDT
Extended Forecast for

Great Mills MD

  • Today

    Today: Sunny, with a high near 60. North wind 11 to 13 mph, with gusts as high as 22 mph.

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 48. Northeast wind 6 to 8 mph.

    Low: 48 °F

    Clear

  • Monday

    Monday: Increasing clouds, with a high near 63. North wind 11 to 14 mph, with gusts as high as 22 mph.

    High: 63 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 50. North wind 9 to 11 mph, with gusts as high as 23 mph.

    Low: 50 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 66. North wind 13 to 15 mph, with gusts as high as 24 mph.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 60. North wind 11 to 13 mph, with gusts as high as 22 mph.
Tonight
Clear, with a low around 48. Northeast wind 6 to 8 mph.
Monday
Increasing clouds, with a high near 63. North wind 11 to 14 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 50. North wind 9 to 11 mph, with gusts as high as 23 mph.
Tuesday
Sunny, with a high near 66. North wind 13 to 15 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 51.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Great Mills MD
 38.27°N 76.5°W (Elev. 98 ft)
Last Update:
4:53 am EDT Oct 18, 2026
Forecast Valid:
6am EDT Oct 18, 2026-6pm EDT Oct 24, 2026
 
Forecast Discussion
 
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Additional Resources

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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