7-Day Forecast 40.72°N 76.21°W (Text-Only)
NWS Forecast for: Saint Clair PA
Issued by: National Weather Service State College, PA
Last Update: 2:21 am EDT Apr 15, 2026
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  • Overnight

    Overnight: Mostly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85. Calm wind becoming west around 6 mph in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Wednesday
    Night

    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.

    Low: 64 °F

    Chance
    Showers

  • Thursday

    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.

    High: 84 °F

    Partly Sunny

  • Thursday
    Night

    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%.

    Low: 63 °F

    Chance
    Showers

  • Friday

    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.

    High: 76 °F

    Chance
    Showers

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Saturday
    Night

    Saturday Night: A chance of showers.  Mostly cloudy, with a low around 50. Chance of precipitation is 50%.

    Low: 50 °F

    Chance
    Showers



  • 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)

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