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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Rain Fog/Mist

57°F

14°C

Humidity 99%
Wind Speed Calm
Barometer 30.23 in
Dewpoint 57°F (14°C)
Visibility 3.00 mi
Last update 3 Oct 9:55 am EDT
Extended Forecast for

Port Republic MD

  • Today

    Today: Showers, mainly before 5pm. High near 65. North wind 8 to 11 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Showers

  • Tonight

    Tonight: A chance of showers, mainly after 7pm. Cloudy, with a low around 61. Northeast wind 5 to 7 mph. Chance of precipitation is 50%.

    Low: 61 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers. High near 66. Northeast wind 5 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 66 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers, mainly before 7pm. Cloudy, with a low around 61. Light northwest wind. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 71. Northwest wind 7 to 10 mph.

    High: 71 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

Detailed Forecast

Today
Showers, mainly before 5pm. High near 65. North wind 8 to 11 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of showers, mainly after 7pm. Cloudy, with a low around 61. Northeast wind 5 to 7 mph. Chance of precipitation is 50%.
Sunday
Showers. High near 66. Northeast wind 5 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers, mainly before 7pm. Cloudy, with a low around 61. Light northwest wind. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 71. Northwest wind 7 to 10 mph.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 61.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 63.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Sunny, with a high near 68.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Republic MD
 38.5°N 76.52°W (Elev. 98 ft)
Last Update:
10:03 am EDT Oct 3, 2026
Forecast Valid:
10am EDT Oct 3, 2026-6pm EDT Oct 9, 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