15363 Weather (Canonsburg, PA)

Weather forecast for: Canonsburg PA

Last Update: 2:22 am EDT Sep 5, 2026

Overnight: A slight chance of showers and thunderstorms. Patchy fog. Otherwise, cloudy, with a low around 67. Calm wind. Chance of precipitation is 20%.

Saturday: A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 79. Calm wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday Night: A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 59. North wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday: Sunny, with a high near 78. Northeast wind 7 to 9 mph.

Sunday Night: Mostly clear, with a low around 57. Northeast wind around 6 mph becoming calm after midnight.

Labor Day: Sunny, with a high near 80.

Monday Night: Mostly clear, with a low around 58.

Tuesday: Mostly sunny, with a high near 82.

Tuesday Night: Partly cloudy, with a low around 64.

Wednesday: Mostly sunny, with a high near 86.

Wednesday Night: Showers likely. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

Thursday: A chance of showers. Partly sunny, with a high near 78. Chance of precipitation is 30%.

Thursday Night: Mostly cloudy, with a low around 59.

Friday: Mostly sunny, with a high near 76.