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McMurray, PA Weather Forecast
McMurray, PA Weather Forecast Date: 202 PM EDT Fri Sep 18 2026
The area/counties/county of: Washington, including the cities of: Washington and Canonsburg.or toggle through each period.
This Afternoon... Partly sunny. Near steady temperature in the mid 70s. North winds 5 to 10 mph.
Tonight... Mainly clear. Lows in the upper 50s. Northeast winds 5 to 10 mph.
Saturday... Partly sunny in the morning, then becoming partly cloudy. Highs in the upper 70s. East winds around 5 mph.
Saturday Night... Partly cloudy in the evening, then mostly cloudy with showers likely with a slight chance of thunderstorms after midnight. Warm with lows in the mid 60s. East winds around 5 mph, becoming south with gusts up to 20 mph after midnight. Chance of rain 70%.
Sunday... Showers 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. Chance of rain near 100%.
Sunday Night... Showers with a chance of thunderstorms in the evening, then a chance of showers after midnight. Lows around 60. Chance of rain near 100%.
Monday... Mostly cloudy with a 50% chance of showers. Highs in the upper 60s.
Monday Night... Considerable cloudiness with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the upper 50s. Chance of rain 70%.
Tuesday... Showers likely with a chance of thunderstorms. Highs in the mid 60s. Chance of rain 70%.
Tuesday Night... A chance of thunderstorms in the evening. Showers likely. Lows in the mid 50s. Chance of rain 70%.
Wednesday... Showers likely. A chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of rain 70%.
Wednesday Night... A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the mid 50s. Chance of rain 50%.
POP = Probability of Precipitation
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