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Trinity High School, PA Weather Forecast
Trinity High School, PA Weather Forecast Date: 502 AM EDT Sat Sep 19 2026
The area/counties/county of: Washington, including the cities of: Washington and Canonsburg.or toggle through each period.
Today... Partly sunny. Highs in the upper 70s. East winds around 5 mph.
Tonight... Mostly cloudy. A slight chance of showers in the evening, then showers likely with a slight chance of thunderstorms after midnight. Warm with lows in the mid 60s. Southeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70%.
Sunday... Showers with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Humid with highs in the upper 70s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain near 100%.
Sunday Night... Showers with a chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the mid 50s. North winds 5 to 10 mph, becoming northeast after midnight. Chance of rain near 100%.
Monday... Mostly cloudy with a 40% chance of showers. Highs in the upper 60s. Northeast winds 10 to 15 mph.
Monday Night... Considerable cloudiness. A chance of showers in the evening, then showers likely after midnight. Lows in the mid 50s. Chance of rain 70%.
Tuesday... Showers likely. Highs in the lower 60s. Chance of rain 70%.
Tuesday Night... Showers likely. Lows in the lower 50s. Chance of rain 70%.
Wednesday... Showers likely. Highs in the lower 60s. Chance of rain 70%.
Wednesday Night... Showers likely. Lows in the lower 50s. Chance of rain 60%.
Thursday... Considerable cloudiness. Showers likely, mainly in the morning. Highs in the mid 60s. Chance of rain 60%.
Thursday Night... Mostly cloudy. A chance of showers in the evening. Lows around 50. Chance of rain 40%.
POP = Probability of Precipitation
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