| NWS Forecast for: Jefferson County Issued by: National Weather Service Pittsburgh, PA Last Update: 802 AM EDT Sat Oct 3 2026 | |
| Today: Sunny. Highs in the mid 60s. Northeast winds around 5 mph. Tonight: Clear. Lows in the upper 40s. East winds 5 to 10 mph. Sunday: Mostly cloudy with a 20 percent chance of showers. Highs in the mid 60s. Southeast winds 5 to 10 mph. Sunday Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 40s. West winds around 5 mph. Monday: Mostly sunny. Highs in the lower 60s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Monday Night: Mainly clear. Areas of frost after midnight. Lows in the upper 30s. Tuesday: Areas of frost in the morning. Sunny. Highs around 60. Tuesday Night: Clear. Lows in the upper 30s. Wednesday: Patchy frost in the morning. Sunny. Highs in the mid 60s. Wednesday Night: Mainly clear. Lows in the mid 40s. Thursday: Mostly sunny. Highs in the upper 60s. Thursday Night: Mainly clear. Lows in the mid 40s. Friday: Mostly sunny. Highs in the mid 60s. | |
| Zone Forecast: Jefferson County | |
Visit your local NWS office at: https://www.weather.gov/pbz/ |