Weather forecast for: Coraopolis PA
Last Update: 1:05 am EDT Sep 17, 2026
Overnight: A chance of showers and thunderstorms. Patchy fog. Otherwise, mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday: Showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Patchy fog between 7am and 8am. High near 83. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night: Mostly cloudy, with a low around 66. Northwest wind around 5 mph becoming calm in the evening.
Friday: Cloudy, then gradually becoming mostly sunny, with a high near 79. North wind 3 to 6 mph.
Friday Night: Partly cloudy, with a low around 59. North wind around 6 mph.
Saturday: Mostly sunny, with a high near 80.
Saturday Night: Showers, mainly after 2am. Low around 66. Chance of precipitation is 80%.
Sunday: Showers, with thunderstorms also possible after 2pm. High near 78. Chance of precipitation is 90%.
Sunday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Monday: Mostly cloudy, with a high near 73.
Monday Night: A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.
Tuesday: A chance of showers. Mostly cloudy, with a high near 75. Chance of precipitation is 50%.
Tuesday Night: A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.
Wednesday: A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 40%.