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Mahon River Entrance, DE Marine Weather Forecast

Station DRSD1 - Saint Jones River, Delaware Reserve, DE

December 24, 2025 12:30 am EST
Location: 39.089N 75.437W
Wind Direction: WSW (240°)
Wind Speed: 1.0 knots
Atmospheric Pressure: 30.00 in (1016.0 mb)
Air Temperature: 42.8°F (6.0°C)
Dew Point: 36.5°F (2.5°C)


Overnight - 38°F
Dec 24, 2025
5 to 10 mph W
Partly Cloudy
Partly cloudy, with a low around 38. West wind 5 to 10 mph, with gusts as high as 25 mph.
Wednesday - 48°F
Dec 24, 2025
5 to 15 mph NW
Sunny
Sunny. High near 48, with temperatures falling to around 41 in the afternoon. Northwest wind 5 to 15 mph, with gusts as high as 30 mph.
Wednesday Night - 31°F
Dec 24, 2025
0 to 5 mph NE
Mostly Cloudy
Mostly cloudy, with a low around 31. Northeast wind 0 to 5 mph.
Christmas Day - 47°F
Dec 25, 2025
5 to 10 mph SW
Chance Light Rain
A chance of rain between 7am and 1pm. Mostly cloudy, with a high near 47. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Thursday Night - 27°F
Dec 25, 2025
5 to 10 mph N
Mostly Cloudy
Mostly cloudy, with a low around 27. North wind 5 to 10 mph.
Friday - 38°F
Dec 26, 2025
5 mph NE
Mostly Cloudy then Rain And Snow Likely
Rain and snow likely after 1pm. Mostly cloudy, with a high near 38. Chance of precipitation is 60%. New snow accumulation of less than half an inch possible.
Friday Night - 33°F
Dec 26, 2025
5 mph E
Rain And Snow
Rain and snow before 10pm, then rain and snow. Cloudy, with a low around 33. Chance of precipitation is 100%. New snow accumulation of less than half an inch possible.
Saturday - 44°F
Dec 27, 2025
5 to 10 mph NE
Light Rain
Rain. Mostly cloudy, with a high near 44. Chance of precipitation is 80%.
Saturday Night - 37°F
Dec 27, 2025
5 mph NE
Slight Chance Light Rain
A slight chance of rain. Cloudy, with a low around 37.
Sunday - 51°F
Dec 28, 2025
5 to 10 mph SE
Light Rain Likely
Rain likely. Cloudy, with a high near 51. Chance of precipitation is 70%.
Sunday Night - 30°F
Dec 28, 2025
10 to 15 mph SW
Light Rain Likely
Rain likely. Mostly cloudy, with a low around 30. Chance of precipitation is 70%.
Monday - 39°F
Dec 29, 2025
15 mph W
Chance Light Rain
A chance of rain before 1pm. Mostly sunny, with a high near 39. Chance of precipitation is 50%.
Monday Night - 19°F
Dec 29, 2025
15 mph W
Mostly Clear
Mostly clear, with a low around 19.
Tuesday - 33°F
Dec 30, 2025
10 to 15 mph W
Mostly Sunny
Mostly sunny, with a high near 33.

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