| NWS Forecast for: Jefferson County Issued by: National Weather Service Pittsburgh, PA Last Update: 502 PM EDT Fri Mar 20 2026 |  |
Tonight: Mostly cloudy. A chance of showers and thunderstorms this evening. Lows in the upper 30s. West winds 5 to 10 mph with gusts up to 20 mph, becoming north after midnight. Chance of rain 40 percent. Saturday: Partly sunny in the morning, then clearing. Mild. Highs in the lower 60s. North winds around 5 mph, becoming east around 5 mph in the afternoon. Saturday Night: Partly cloudy. Lows in the upper 40s. South winds 5 to 10 mph. Sunday: Partly cloudy in the morning, then partly sunny with a chance of showers with a slight chance of thunderstorms in the afternoon. Much warmer with highs in the upper 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent. Sunday Night: Showers with a chance of thunderstorms in the evening, then showers after midnight. Lows in the upper 30s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 80 percent. Monday: Mostly cloudy with a chance of showers in the morning, then partly sunny in the afternoon. Much colder with highs in the mid 40s. Chance of rain 50 percent. Monday Night: Mainly clear. Lows in the upper 20s. Tuesday: Mostly sunny. Highs in the lower 50s. Tuesday Night: Mostly cloudy. Lows in the mid 30s. Wednesday: Partly sunny. Highs in the upper 40s. Wednesday Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 30s. Thursday: Mostly cloudy. Much warmer with highs in the upper 60s. Thursday Night: Rain likely. Lows in the upper 30s. Chance of rain 70 percent. Friday: Partly sunny. Rain likely, mainly in the morning. Much colder with highs in the upper 40s. Chance of rain 60 percent. | |
| Zone Forecast: Jefferson County | |
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