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Crum Lynne, PA Marine Weather Forecast

Station MRCP1 - 8540433 - Marcus Hook, PA

December 30, 2025 7:00 pm EST
Location: 39.809N 75.415W
Atmospheric Pressure: 29.85 in (1010.7 mb)
Pressure Tendency: +0.04 in (+1.5 mb)
Air Temperature: 30.2°F (-1.0°C)
Water Temperature: 38.3°F (3.5°C)


Tonight - 25°F
Dec 30, 2025
10 to 15 mph W
Mostly Cloudy then Slight Chance Snow Showers
A slight chance of snow showers after 3am. Mostly cloudy, with a low around 25. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Wednesday - 36°F
Dec 31, 2025
10 to 15 mph SW
Slight Chance Snow Showers then Partly Sunny
A slight chance of snow showers before 10am. Partly sunny, with a high near 36. Southwest wind 10 to 15 mph. Chance of precipitation is 20%.
Wednesday Night - 27°F
Dec 31, 2025
5 to 10 mph SW
Mostly Cloudy then Chance Snow Showers
A chance of snow showers after 1am. Mostly cloudy, with a low around 27. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. New snow accumulation of less than half an inch possible.
New Year's Day - 32°F
Jan 01, 2026
10 to 15 mph NW
Chance Snow Showers then Mostly Sunny
A chance of snow showers before 7am. Mostly sunny, with a high near 32. Northwest wind 10 to 15 mph. Chance of precipitation is 30%. New snow accumulation of less than half an inch possible.
Thursday Night - 20°F
Jan 01, 2026
5 to 10 mph W
Mostly Clear
Mostly clear, with a low around 20. West wind 5 to 10 mph.
Friday - 36°F
Jan 02, 2026
5 to 10 mph SW
Partly Sunny
Partly sunny, with a high near 36.
Friday Night - 24°F
Jan 02, 2026
5 mph W
Partly Cloudy
Partly cloudy, with a low around 24.
Saturday - 36°F
Jan 03, 2026
5 mph NW
Partly Sunny
Partly sunny, with a high near 36.
Saturday Night - 22°F
Jan 03, 2026
0 to 5 mph NW
Partly Cloudy
Partly cloudy, with a low around 22.
Sunday - 37°F
Jan 04, 2026
0 to 5 mph NW
Sunny
Sunny, with a high near 37.
Sunday Night - 25°F
Jan 04, 2026
0 to 5 mph W
Partly Cloudy
Partly cloudy, with a low around 25.
Monday - 39°F
Jan 05, 2026
5 mph W
Slight Chance Light Snow
A slight chance of snow between 7am and 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.
Monday Night - 29°F
Jan 05, 2026
5 mph W
Chance Rain And Snow
A chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Tuesday - 40°F
Jan 06, 2026
5 to 10 mph NW
Slight Chance Light Snow then Partly Sunny
A slight chance of snow before 7am. Partly sunny, with a high near 40.

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