| NWS Forecast for: Jefferson County Issued by: National Weather Service Buffalo, NY Last Update: 400 AM EDT Tue Apr 21 2026 | |
| Today: Mostly sunny early, then becoming mostly cloudy. Highs ranging from the mid 40s on the tug hill to the upper 40s across the lower elevations. South winds 5 to 10 mph, increasing to 10 to 15 mph. Tonight: Mostly cloudy with a 30 percent chance of rain showers. Breezy and not as cold with lows ranging from the mid 30s on the tug hill to the upper 30s across the lower elevations. South winds 10 to 15 mph, becoming southeast. Wednesday: Partly to mostly sunny. Highs in the upper 50s. Light winds. Wednesday Night: Mainly clear in the evening, then becoming partly cloudy. Lows in the upper 30s. Light winds. Thursday: Mostly sunny. Highs in the upper 50s. Light winds. Thursday Night: Partly cloudy. Lows in the mid 30s. Friday: Mostly sunny. Highs in the mid 50s. Friday Night: Partly cloudy. Lows in the upper 30s. Saturday: Partly sunny with a 50 percent chance of showers. Highs in the upper 50s. Saturday Night: Mostly cloudy with a 50 percent chance of showers. Lows in the lower 40s. Sunday: Partly sunny with a 30 percent chance of showers. Highs in the upper 50s. Sunday Night: Mostly cloudy with a 30 percent chance of showers. Lows in the lower 40s. Monday: Mostly sunny. Highs in the lower 60s. | |
| Zone Forecast: Jefferson County | |
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