| NWS Forecast for: Jefferson County Issued by: National Weather Service Pittsburgh, PA Last Update: 1102 PM EDT Fri Jun 26 2026 | |
| Rest Of Tonight: Considerable cloudiness. A slight chance of showers late this evening, then a chance of showers with a slight chance of thunderstorms. Lows in the upper 50s. Light and variable winds, becoming east around 5 mph. Chance of rain 50 percent. Saturday: Patchy dense fog in the morning. Showers likely. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the lower 70s. East winds around 5 mph. Chance of rain 70 percent. Saturday Night: Mostly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Patchy fog after midnight. Lows around 60. East winds around 5 mph. Chance of rain 40 percent. Sunday: Partly sunny in the morning, then becoming partly cloudy. Highs in the lower 80s. Northeast winds around 5 mph. Sunday Night: Mainly clear. Lows around 60. Northeast winds around 5 mph. Monday: Mostly sunny. Highs in the mid 80s. Monday Night: Mainly clear. Lows in the mid 60s. Tuesday: Partly cloudy. Hot with highs around 90. Tuesday Night: Mainly clear. Warm with lows in the lower 70s. Wednesday: Mostly sunny. Hot with highs in the lower 90s. Heat index values in the upper 90s. Wednesday Night: Mainly clear. Warm with lows in the lower 70s. Thursday: Mostly sunny. Hot with highs in the lower 90s. Heat index values in the mid 90s. Thursday Night: Mainly clear. Warm with lows in the lower 70s. Friday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent. | |
| Zone Forecast: Jefferson County | |
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