Morganza Reservoir, PA 7-Day Night Weather Forecast
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Morganza Reservoir, PA Weather Forecast


Morganza Reservoir, PA Weather Forecast Date: 202 AM EDT Wed Aug 19 2026
The area/counties/county of: Washington, including the cities of: Washington and Canonsburg.or toggle through each period.
Overnight... Mainly clear. Near steady temperature in the lower 60s. Southwest winds around 5 mph.
Today... Mostly sunny in the morning, then mostly cloudy with a slight chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 70s. Southwest winds 5 to 10 mph. Chance of rain 20%.
Tonight... Mostly cloudy with a slight chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Patchy fog after midnight. Humid with lows in the lower 60s. West winds 5 to 10 mph in the evening, becoming light and variable. Chance of rain 70%.
Thursday... Patchy fog in the morning. Showers likely in the morning, then a chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 70s. Northeast winds around 5 mph. Chance of rain 70%.
Thursday Night... Mainly clear. Lows in the upper 50s. Northeast winds around 5 mph.
Friday... Mostly sunny. Highs in the upper 70s.
Friday Night... Mainly clear. Lows around 60.
Saturday... Partly cloudy in the morning, then partly sunny with showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 60%.
Saturday Night... Showers likely in the evening. A chance of thunderstorms. Lows around 60. Chance of rain 60%.
Sunday... Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 40%.
Sunday Night... Mainly clear. A chance of showers and thunderstorms in the evening. Lows in the upper 50s. Chance of rain 40%.
Monday... Mostly sunny. Highs in the mid 70s.
Monday Night... Mainly clear. Lows in the upper 50s.
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