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Prosperity, PA 7-Day Night Weather Forecast
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Prosperity, PA Weather Forecast
Prosperity, PA Weather Forecast Date: 502 AM EDT Sat Sep 12 2026
The area/counties/county of: Washington, including the cities of: Washington and Canonsburg.or toggle through each period.
Today... Partly sunny this morning, then mostly cloudy with showers with a chance of thunderstorms this afternoon. Some thunderstorms May produce heavy rainfall this afternoon. Highs in the lower 80s. South winds 5 to 10 mph. Chance of rain 90%.
Tonight... Showers with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Some thunderstorms May produce heavy rainfall. Warm with lows in the mid 60s. Southeast winds around 5 mph, becoming southwest after midnight. Chance of rain near 100%.
Sunday... Mostly cloudy in the morning, then becoming partly cloudy. Humid with highs in the lower 80s. West winds 5 to 10 mph.
Sunday Night... A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Humid with lows in the upper 50s. West winds 5 to 10 mph, becoming northwest after midnight. Chance of rain 50%.
Monday... Mostly sunny. A chance of showers in the morning. Highs in the lower 70s. North winds 5 to 10 mph. Chance of rain 30%.
Monday Night... Mainly clear. Lows in the lower 50s.
Tuesday... Mostly sunny. Highs in the lower 80s.
Tuesday Night... Mainly clear. Lows in the lower 60s.
Wednesday... Partly cloudy. Warm with highs in the mid 80s.
Wednesday Night... Partly cloudy. A chance of showers after midnight. Warm with lows in the mid 60s. Chance of rain 40%.
Thursday... Partly sunny with a chance of showers. Highs in the lower 80s. Chance of rain 50%.
Thursday Night... Mostly cloudy with a chance of showers. Lows in the lower 60s. Chance of rain 50%.
POP = Probability of Precipitation
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