7-Day Forecast 40.25°N 80.18°W (Text-Only)
NWS Forecast for: Canonsburg PA
Issued by: National Weather Service Pittsburgh, PA
Last Update: 5:16 pm EDT May 15, 2026
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  • Tonight

    Tonight: Partly cloudy, with a low around 50. Calm wind becoming south around 5 mph after midnight.

    Low: 50 °F

    Partly Cloudy



  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 5pm.  Increasing clouds, with a high near 81. Southwest wind 7 to 15 mph, with gusts as high as 26 mph.  Chance of precipitation is 20%.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday
    Night

    Saturday Night: Showers and thunderstorms before 2am, then a chance of showers.  Low around 61. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Showers then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm.  Partly sunny, with a high near 83. Southwest wind around 6 mph.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday
    Night

    Sunday Night: A chance of thunderstorms before 8pm.  Mostly clear, with a low around 64. Light south wind.  Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 91.

    High: 91 °F

    Hot



  • Monday
    Night

    Monday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear



  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 91. Chance of precipitation is 30%.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 68. Chance of precipitation is 50%.

    Low: 68 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tonight: Partly cloudy, with a low around 50. Calm wind becoming south around 5 mph after midnight.

    Saturday: A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 81. Southwest wind 7 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    Saturday Night: Showers and thunderstorms before 2am, then a chance of showers. Low around 61. Southwest wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 83. Southwest wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Sunday Night: A chance of thunderstorms before 8pm. Mostly clear, with a low around 64. Light south wind. Chance of precipitation is 30%.

    Monday: Sunny and hot, with a high near 91.

    Monday Night: Mostly clear, with a low around 70.

    Tuesday: A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91. Chance of precipitation is 30%.

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 50%.

    Wednesday: Showers. High near 79. Chance of precipitation is 80%.

    Wednesday Night: Showers. Low around 55. Chance of precipitation is 80%.

    Thursday: Partly sunny, with a high near 70.

    Thursday Night: Partly cloudy, with a low around 52.

    Friday: A chance of showers and thunderstorms. Mostly sunny, with a high near 75. Chance of precipitation is 30%.



    Canonsburg PA
     40.25°N 80.18°W (Elev. 997 ft)

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