| NWS Forecast for: Washington County Issued by: National Weather Service Pittsburgh, PA Last Update: 223 PM EDT Wed Sep 2 2026 | |
This Afternoon: Mostly sunny. Unseasonably warm. Near steady temperature in the upper 80s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Heat index values up to 104. Tonight: Mainly clear. Warm with lows in the lower 70s. Southwest winds 5 to 10 mph. Thursday: Mostly sunny in the morning, then becoming partly sunny. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Unseasonably warm. Humid with highs in the upper 80s. West winds 5 to 10 mph. Chance of rain 50 percent. Heat index values in the mid 90s in the afternoon. Thursday Night: Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Warm with lows around 70. Southwest winds 5 to 10 mph. Chance of rain 70 percent. Friday: Showers, warm with highs in the mid 80s. West winds 5 to 10 mph. Chance of rain 90 percent. Friday Night: Mostly cloudy with showers with a chance of thunderstorms in the evening, then partly cloudy after midnight. Warm with lows in the mid 60s. Chance of rain 90 percent. 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: Mostly sunny. Highs around 80. Monday Night: Partly cloudy. Lows in the lower 60s. Tuesday: Partly cloudy. Highs in the lower 80s. | |
| Zone Forecast: Washington County | |
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