Station MRCP1 - 8540433 - Marcus Hook, PA
July 3, 2026 12:48 pm EDTLocation: 39.809N 75.415W
Atmospheric Pressure: 30.01 in (1016.1 mb)
Water Temperature: 81.3°F (27.4°C)
This Afternoon - 103°F
Jul 03, 2026
10 to 15 mph W
Sunny
Sunny, with a high near 103. Heat index values as high as 110. West wind 10 to 15 mph. New rainfall amounts less than a tenth of an inch possible.
Tonight - 78°F
Jul 03, 2026
5 to 10 mph W
Scattered Showers And Thunderstorms then Partly Cloudy
Scattered showers and thunderstorms before 10pm. Partly cloudy, with a low around 78. Heat index values as high as 107. West wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
Independence Day - 99°F
Jul 04, 2026
5 to 10 mph NW
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 99. Heat index values as high as 104. Northwest wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Saturday Night - 75°F
Jul 04, 2026
0 to 10 mph NW
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 2am, then scattered showers and thunderstorms. Mostly cloudy, with a low around 75. Heat index values as high as 102. Northwest wind 0 to 10 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Sunday - 92°F
Jul 05, 2026
0 to 5 mph E
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a high near 92. East wind 0 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Sunday Night - 71°F
Jul 05, 2026
5 mph SE
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a low around 71. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Monday - 86°F
Jul 06, 2026
5 to 10 mph SE
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a high near 86. Chance of precipitation is 70%.
Monday Night - 69°F
Jul 06, 2026
5 to 10 mph E
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a low around 69. Chance of precipitation is 70%.
Tuesday - 85°F
Jul 07, 2026
5 to 10 mph N
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Tuesday Night - 68°F
Jul 07, 2026
0 to 5 mph NE
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Wednesday - 88°F
Jul 08, 2026
5 mph N
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
A slight chance of rain showers before 2pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 88.
Wednesday Night - 69°F
Jul 08, 2026
0 to 5 mph SW
Slight Chance Showers And Thunderstorms then Partly Cloudy
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69.
Thursday - 91°F
Jul 09, 2026
0 to 5 mph SW
Mostly Sunny
Mostly sunny, with a high near 91.
Thursday Night - 71°F
Jul 09, 2026
0 to 5 mph S
Partly Cloudy then Slight Chance Rain Showers
A slight chance of rain showers after 2am. Partly cloudy, with a low around 71.