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Significant Coastal Impacts to the Eastern Seaboard; Tropical Storm Nolo to Impact Hawaii

A Nor'easter will bring significant coastal impacts to the Mid-Atlantic and New England through the weekend. Moderate to major coastal flooding, heavy rain, strong winds and high surf expected. Tropical Storm Nolo will continue to strengthen as it moves north toward the Big Island of Hawaii. Heavy rainfall may bring life-threatening, catastrophic flooding and mudslides through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

A Few Clouds

67°F

19°C

Humidity 44%
Wind Speed Vrbl 6 mph
Barometer 30.03 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 25 Sep 1:35 pm EDT
Extended Forecast for

3 Miles NW Charlotte Hall MD

Coastal Flood Advisory September 25, 01:56pm until September 26, 07:00am
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory September 25, 01:56pm until September 26, 07:00am

    NOW until 7:00am Sat

    Coastal Flood Advisory

  • This Afternoon

    High: 71 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 55. North wind 10 to 13 mph.

    Low: 55 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain, mainly between 1pm and 4pm. Increasing clouds, with a high near 68. North wind 14 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 68 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain. Mostly cloudy, with a low around 56. Northwest wind around 10 mph. Chance of precipitation is 30%.

    Low: 56 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain. Mostly cloudy, with a high near 68. Northwest wind 10 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 68 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 71. North wind around 17 mph, with gusts as high as 24 mph.
Tonight
Mostly cloudy, with a low around 55. North wind 10 to 13 mph.
Saturday
A chance of rain, mainly between 1pm and 4pm. Increasing clouds, with a high near 68. North wind 14 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 56. Northwest wind around 10 mph. Chance of precipitation is 30%.
Sunday
A chance of rain. Mostly cloudy, with a high near 68. Northwest wind 10 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 58.
Monday
Partly sunny, with a high near 71.
Monday Night
Mostly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Charlotte Hall MD
 38.51°N 76.83°W (Elev. 148 ft)
Last Update:
10:53 am EDT Sep 25, 2026
Forecast Valid:
1pm EDT Sep 25, 2026-6pm EDT Oct 1, 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