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Carnegie Lake, PA 7-Day Night Weather Forecast
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Carnegie Lake, PA Weather Forecast
Carnegie Lake, PA Weather Forecast Date: 257 AM EDT Wed Sep 02 2026
The area/counties/county of: Allegheny, including the city of Pittsburgh Metro Area.or toggle through each period.
Overnight... Mostly cloudy with a chance of thunderstorms with a slight chance of showers. Warm. Near steady temperature in the lower 70s. South winds around 5 mph. Chance of rain 30%.
Today... Mostly sunny. A chance of showers and thunderstorms in the morning. Hot with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of rain 30%. Heat index values up to 102 in the afternoon.
Tonight... Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Warm with lows in the lower 70s. Southwest winds 5 to 10 mph. Chance of rain 50%.
Thursday... Partly cloudy with a chance of showers and thunderstorms. Hot with highs around 90. Southwest winds 5 to 10 mph. Chance of rain 50%. Heat index values up to 100 in the afternoon.
Thursday Night... Showers likely with a chance of thunderstorms. Warm with lows around 70. West winds 5 to 10 mph. Chance of rain 70%.
Friday... Showers likely in the morning, then showers with a chance of thunderstorms in the afternoon. Warm with highs in the mid 80s. Chance of rain 90%.
Friday Night... Mostly cloudy. Showers with a chance of thunderstorms in the evening. Warm with lows in the mid 60s. Chance of rain 90%.
Saturday... Partly cloudy. Highs around 80.
Saturday Night... Mainly clear. Lows in the upper 50s.
Sunday... Mostly sunny. Highs in the upper 70s.
Sunday Night... Mainly clear. Lows in the upper 50s.
Labor Day... Partly cloudy. Highs in the lower 80s.
Monday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s.
POP = Probability of Precipitation
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