| NWS Forecast for: Jefferson County Issued by: National Weather Service Pittsburgh, PA Last Update: 1127 AM EDT Fri May 22 2026 | |
This Afternoon: Considerable cloudiness. A slight chance of showers early, then showers. Highs in the upper 60s. East winds 5 to 10 mph. Gusts up to 25 mph. Chance of rain 90 percent. Tonight: Showers with a slight chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Lows in the lower 50s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent. Saturday: Showers. Highs in the upper 60s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent. Saturday Night: Considerable cloudiness. Showers with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the upper 50s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent. Sunday: Mostly cloudy. A chance of showers in the morning, then showers likely in the afternoon. Highs around 80. Southwest winds around 5 mph. Chance of rain 70 percent. Sunday Night: A chance of thunderstorms in the evening. Showers likely. Warm with lows around 60. Chance of rain 70 percent. Memorial Day: Considerable cloudiness with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50 percent. Monday Night: Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 50s. Chance of rain 50 percent. Tuesday: Mostly cloudy. Warm with highs in the lower 80s. Tuesday Night: Mostly cloudy. Warm with lows in the lower 60s. Wednesday: Mostly cloudy in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Warm with highs in the lower 80s. Chance of rain 30 percent. Wednesday Night: Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 50s. Chance of rain 30 percent. Thursday: Partly sunny in the morning, then becoming partly cloudy. Warm with highs in the lower 80s. | |
| Zone Forecast: Jefferson County | |
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