Weather forecast for: Marcus Hook PA
Last Update: 4:10 pm EDT Sep 18, 2026
Tonight: Partly cloudy, with a low around 62. North wind around 5 mph.
Saturday: Mostly sunny, with a high near 76. Northeast wind 5 to 10 mph.
Saturday Night: Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 64. East wind 5 to 10 mph.
Sunday: Showers likely, mainly after 2pm. Cloudy, with a high near 78. South wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Patchy fog after 11pm. Low around 64. South wind around 5 mph becoming north after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday: A chance of showers. Mostly cloudy, with a high near 71. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night: A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Tuesday: A chance of showers. Mostly cloudy, with a high near 65. Chance of precipitation is 40%.
Tuesday Night: A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Wednesday: A chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 40%.
Wednesday Night: A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
Thursday: A chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 30%.
Thursday Night: A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Friday: Mostly sunny, with a high near 69.