Station MRCP1 - 8540433 - Marcus Hook, PA
August 18, 2026 12:48 am EDTLocation: 39.809N 75.415W
Atmospheric Pressure: 29.83 in (1010.2 mb)
Water Temperature: 81.1°F (27.3°C)
Overnight - 72°F
Aug 18, 2026
0 to 5 mph NW
Partly Cloudy
Partly cloudy, with a low around 72. Northwest wind 0 to 5 mph.
Tuesday - 87°F
Aug 18, 2026
5 mph N
Sunny
Sunny, with a high near 87. North wind around 5 mph.
Tuesday Night - 68°F
Aug 18, 2026
0 to 5 mph NW
Mostly Clear
Mostly clear, with a low around 68. Northwest wind 0 to 5 mph.
Wednesday - 88°F
Aug 19, 2026
0 to 5 mph NW
Sunny
Sunny, with a high near 88. Northwest wind 0 to 5 mph.
Wednesday Night - 71°F
Aug 19, 2026
0 to 5 mph SW
Partly Cloudy then Slight Chance Showers And Thunderstorms
A slight chance of rain showers between 2am and 5am, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. Southwest wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Thursday - 85°F
Aug 20, 2026
0 to 5 mph NW
Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms between 8am and 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 85. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night - 68°F
Aug 20, 2026
0 to 5 mph N
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.
Friday - 82°F
Aug 21, 2026
5 mph NE
Chance Rain Showers
A chance of rain showers. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Friday Night - 68°F
Aug 21, 2026
0 to 5 mph E
Chance Showers And Thunderstorms
A chance of rain showers before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 50%.
Saturday - 82°F
Aug 22, 2026
0 to 5 mph E
Chance Rain Showers
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Saturday Night - 69°F
Aug 22, 2026
0 to 5 mph SE
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 50%.
Sunday - 82°F
Aug 23, 2026
5 mph SW
Chance Rain Showers
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Sunday Night - 66°F
Aug 23, 2026
5 mph W
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 66. Chance of precipitation is 50%.
Monday - 82°F
Aug 24, 2026
5 to 10 mph W
Slight Chance Rain Showers
A slight chance of rain showers after 8am. Sunny, with a high near 82.