| NWS Forecast for: Jefferson County Issued by: National Weather Service Pittsburgh, PA Last Update: 348 AM EDT Sat May 16 2026 | |
Today: Sunny this morning, then partly sunny with a chance of showers with a slight chance of thunderstorms this afternoon. Highs in the upper 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent. Tonight: Considerable cloudiness. A chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Warm with lows around 60. Southwest winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 50 percent. Sunday: Considerable cloudiness in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. West winds around 5 mph. Chance of rain 20 percent. Sunday Night: Mainly clear. A slight chance of showers and thunderstorms in the evening. Warm with lows in the lower 60s. South winds around 5 mph. Chance of rain 20 percent. Monday: Mostly sunny. Unseasonably warm with highs in the mid 80s. South winds 5 to 10 mph. Monday Night: Mainly clear. Warm with lows in the upper 60s. Tuesday: Partly cloudy. A chance of showers and thunderstorms in the afternoon. Unseasonably warm with highs in the mid 80s. Chance of rain 30 percent. Tuesday Night: A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Warm with lows in the mid 60s. Chance of rain 50 percent. Wednesday: Showers. A chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 90 percent. Wednesday Night: Mostly cloudy. Showers with a chance of thunderstorms in the evening, then a chance of showers after midnight. Much cooler with lows around 50. Chance of rain 90 percent. Thursday: Partly sunny. Highs in the upper 60s. Thursday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 40s. Friday: Partly sunny in the morning, then becoming partly cloudy. Highs in the upper 60s. | |
| Zone Forecast: Jefferson County | |
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