| NWS Forecast for: Jefferson County Issued by: National Weather Service Pittsburgh, PA Last Update: 1213 PM EDT Sun Oct 18 2026 | |
This Afternoon: Sunny. Highs in the upper 50s. Southwest winds around 5 mph. Tonight: Clear. Widespread frost after midnight. Lows in the lower 30s. Light and variable winds. Monday: Widespread frost in the morning. Sunny. Highs in the mid 60s. Light and variable winds, becoming north around 5 mph in the afternoon. Monday Night: Clear. Lows in the mid 30s. North winds around 5 mph. Tuesday: Sunny. Highs in the mid 60s. North winds around 5 mph. Tuesday Night: Clear. Lows in the mid 30s. Wednesday: Sunny. Highs in the mid 60s. Wednesday Night: Clear. Lows in the mid 30s. Thursday: Mostly sunny. Highs in the mid 60s. Thursday Night: Mainly clear. Lows in the lower 40s. Friday: Mostly sunny. Highs in the lower 60s. Friday Night: Clear. Lows in the upper 30s. Saturday: Mostly sunny. Highs in the lower 60s. | |
| Zone Forecast: Jefferson County | |
Visit your local NWS office at: https://www.weather.gov/pbz/ |