| NWS Forecast for: Saint Clair PA Issued by: National Weather Service State College, PA Last Update: 2:21 am EDT Apr 15, 2026 | |
Overnight: Mostly cloudy, with a low around 62. Calm wind. Wednesday: Mostly sunny, with a high near 85. Calm wind becoming west around 6 mph in the afternoon. Wednesday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Thursday: Partly sunny, with a high near 84. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph. Thursday Night: A chance of showers, mainly before 2am. Mostly cloudy, with a low around 63. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. Friday: A chance of showers, mainly after 8am. Partly sunny, with a high near 76. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible. Friday Night: Partly cloudy, with a low around 54. Saturday: Mostly sunny, with a high near 77. Saturday Night: A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 50%. Sunday: A chance of showers. Mostly cloudy, with a high near 62. Chance of precipitation is 50%. Sunday Night: A chance of rain and snow showers. Partly cloudy, with a low around 34. Chance of precipitation is 30%. Monday: Mostly sunny, with a high near 48. Monday Night: Mostly clear, with a low around 30. Tuesday: Sunny, with a high near 59. | |
| Saint Clair PA 40.72°N 76.21°W (Elev. 817 ft) | |
Visit your local NWS office at: https://www.weather.gov/ctp/ |






