Canonsburg, PA 7-Day Night Weather Forecast
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Canonsburg, PA Weather Forecast


Canonsburg, PA Weather Forecast Date: 1213 PM EDT Sun Sep 06 2026
The area/counties/county of: Washington, including the cities of: Washington and Canonsburg.or toggle through each period.
This Afternoon... Mostly sunny. Highs in the upper 70s. Northeast winds 5 to 10 mph.
Tonight... Mainly clear. Lows in the mid 50s. Northeast winds 5 to 10 mph.
Labor Day... Mostly sunny. Highs in the upper 70s. East winds around 5 mph.
Monday Night... Mainly clear. Lows in the upper 50s. East winds around 5 mph.
Tuesday... Partly cloudy. Highs in the lower 80s. South winds around 5 mph.
Tuesday Night... Partly cloudy. Warm with lows in the mid 60s.
Wednesday... Partly cloudy. Unseasonably warm with highs in the mid 80s.
Wednesday Night... Mostly cloudy. A chance of showers in the evening, then showers likely after midnight. Warm with lows in the upper 60s. Chance of rain 60%.
Thursday... Mostly cloudy. Showers likely, mainly in the morning. Highs in the upper 70s. Chance of rain 60%.
Thursday Night... Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 50s. Chance of rain 50%.
Friday... Partly cloudy. Highs in the mid 70s.
Friday Night... Mainly clear. Lows in the mid 50s.
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