| NWS Forecast for: Allegheny County Issued by: National Weather Service Pittsburgh, PA Last Update: 712 AM EDT Wed May 20 2026 |  |
| Today: Mostly cloudy with a chance of showers and thunderstorms. Highs in the mid 70s. Temperatures falling into the mid 60s this afternoon. Southwest winds 5 to 10 mph, becoming northwest with gusts up to 20 mph this afternoon. Chance of rain 50 percent. Tonight: Considerable cloudiness with a 50 percent chance of showers. Less humid with lows in the upper 40s. North winds 5 to 10 mph. Thursday: Mostly cloudy with a chance of showers in the morning, then mostly sunny in the afternoon. Highs in the upper 60s. Northeast winds 5 to 10 mph. Chance of rain 50 percent. Thursday Night: Mainly clear in the evening, then mostly cloudy with a slight chance of showers after midnight. Lows in the lower 50s. East winds 5 to 10 mph. Chance of rain 20 percent. Friday: Considerable cloudiness. A chance of showers in the morning, then showers in the afternoon. Highs in the mid 60s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 80 percent. Friday Night: Showers. Lows in the lower 50s. Chance of rain near 100 percent. Saturday: Showers with a chance of thunderstorms. Highs in the upper 60s. Chance of rain near 100 percent. Saturday Night: Showers with a chance of thunderstorms. Lows in the upper 50s. Chance of rain 90 percent. Sunday: Showers likely. A chance of thunderstorms in the afternoon. Highs around 80. Chance of rain 70 percent. Sunday Night: A chance of thunderstorms in the evening. Showers, warm with lows in the lower 60s. Chance of rain 80 percent. Memorial Day: Showers likely. Highs in the upper 70s. Chance of rain 70 percent. Monday Night: Mostly cloudy. Showers likely, mainly in the evening. Warm with lows in the lower 60s. Chance of rain 70 percent. Tuesday: Mostly cloudy with a chance of showers. Warm with highs in the lower 80s. Chance of rain 50 percent. | |
| Zone Forecast: Allegheny County | |
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