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McKnight, PA 7-Day Night Weather Forecast
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McKnight, PA Weather Forecast
McKnight, PA Weather Forecast Date: 428 PM EDT Tue Sep 08 2026
The area/counties/county of: Allegheny, including the city of Pittsburgh Metro Area.or toggle through each period.
Tonight... Partly cloudy this evening, then becoming mostly cloudy. Warm with lows in the mid 60s. South winds around 5 mph.
Wednesday... Partly cloudy. Unseasonably warm. Humid with highs in the mid 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph.
Wednesday Night... Partly cloudy in the evening, then becoming cloudy. A chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Warm with lows in the upper 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90%.
Thursday... Showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Humid with highs in the upper 70s. West winds 5 to 10 mph. Chance of rain 90%.
Thursday Night... Mostly cloudy. Showers with a chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the upper 50s. North winds 5 to 10 mph. Chance of rain 90%.
Friday... Mostly sunny. Highs in the upper 70s.
Friday Night... Mainly clear. Lows in the upper 50s.
Saturday... Partly cloudy in the morning, then partly sunny with a chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 40%.
Saturday Night... Mostly cloudy with a chance of showers. Warm with lows in the mid 60s. Chance of rain 40%.
Sunday... Partly sunny. A chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 40%.
Sunday Night... Partly cloudy. A chance of showers in the evening. Lows in the lower 60s. Chance of rain 40%.
Monday... Partly sunny. Highs around 80.
Monday Night... Partly cloudy in the evening, then becoming mostly cloudy. Warm with lows in the mid 60s.
POP = Probability of Precipitation
McKnight Radar Loop
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