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Mahon River Entrance, DE Marine Weather Forecast

Station DRSD1 - Saint Jones River, Delaware Reserve, DE

December 16, 2025 12:30 am EST
Location: 39.089N 75.437W
Wind Direction: SE (140°)
Wind Speed: 1.0 knots
Atmospheric Pressure: 30.24 in (1024.0 mb)
Air Temperature: 19.8°F (-6.8°C)
Dew Point: 15.6°F (-9.1°C)


Overnight - 17°F
Dec 16, 2025
5 mph SW
Mostly Clear
Mostly clear, with a low around 17. Southwest wind around 5 mph.
Tuesday - 35°F
Dec 16, 2025
5 mph W
Sunny
Sunny, with a high near 35. West wind around 5 mph.
Tuesday Night - 23°F
Dec 16, 2025
0 to 5 mph S
Partly Cloudy
Partly cloudy, with a low around 23. South wind 0 to 5 mph.
Wednesday - 47°F
Dec 17, 2025
5 to 10 mph SW
Mostly Sunny
Mostly sunny, with a high near 47. Southwest wind 5 to 10 mph.
Wednesday Night - 28°F
Dec 17, 2025
0 to 5 mph NW
Partly Cloudy
Partly cloudy, with a low around 28. Northwest wind 0 to 5 mph.
Thursday - 55°F
Dec 18, 2025
5 to 10 mph SE
Mostly Sunny
Mostly sunny, with a high near 55.
Thursday Night - 41°F
Dec 18, 2025
10 to 20 mph S
Light Rain
Rain after 7pm. Mostly cloudy, with a low around 41. Chance of precipitation is 90%.
Friday - 54°F
Dec 19, 2025
20 mph W
Light Rain
Rain before 1pm. Mostly sunny, with a high near 54. Chance of precipitation is 90%.
Friday Night - 24°F
Dec 19, 2025
5 to 15 mph NW
Mostly Clear
Mostly clear, with a low around 24.
Saturday - 43°F
Dec 20, 2025
5 to 10 mph W
Mostly Sunny
Mostly sunny, with a high near 43.
Saturday Night - 34°F
Dec 20, 2025
10 mph S
Partly Cloudy
Partly cloudy, with a low around 34.
Sunday - 50°F
Dec 21, 2025
10 mph SW
Slight Chance Light Rain
A slight chance of rain between 7am and 1pm. Mostly sunny, with a high near 50.
Sunday Night - 30°F
Dec 21, 2025
5 mph NW
Slight Chance Light Rain
A slight chance of rain after 7pm. Partly cloudy, with a low around 30.
Monday - 44°F
Dec 22, 2025
5 to 10 mph NW
Slight Chance Light Rain
A slight chance of rain before 1pm. Mostly sunny, with a high near 44.

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