| NWS Forecast for: Jefferson County Issued by: National Weather Service Pittsburgh, PA Last Update: 352 PM EDT Sat Sep 5 2026 | |
| Tonight: Mainly clear. Lows in the lower 50s. Northeast winds around 5 mph. Sunday: Partly cloudy. Highs in the mid 70s. Northeast winds around 5 mph. Sunday Night: Mainly clear. Lows around 50. Northeast winds around 5 mph. Labor Day: Mostly sunny. Highs in the upper 70s. East winds around 5 mph. Monday Night: Mainly clear. Lows in the lower 50s. Light and variable winds, becoming east around 5 mph after midnight. Tuesday: Partly cloudy. Highs around 80. Tuesday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows around 60. Wednesday: Partly cloudy. Highs in the lower 80s. Wednesday Night: Mostly cloudy with a chance of showers. Warm with lows in the mid 60s. Chance of rain 50 percent. Thursday: Partly sunny. Highs in the mid 70s. Thursday Night: Mostly cloudy. Lows in the lower 50s. Friday: Partly cloudy. Highs in the lower 70s. Friday Night: Mainly clear. Lows in the lower 50s. Saturday: Mostly sunny. Highs in the mid 70s. | |
| Zone Forecast: Jefferson County | |
Visit your local NWS office at: https://www.weather.gov/pbz/ |