| NWS Forecast for: Jefferson County Issued by: National Weather Service Buffalo, NY Last Update: 1000 PM EDT Sat Oct 3 2026 |  |
| Overnight: Clear through the early overnight, then becoming partly cloudy. Lows ranging from the upper 30s across the tug hill to the lower 40s along the lake ontario shore. Light winds, becoming southeast 5 to 10 mph. Sunday: Partly sunny in the morning, then becoming mostly cloudy. Highs ranging from the lower 60s on the tug hill to the mid 60s across the lower elevations. Southeast winds 5 to 10 mph, becoming south 10 to 15 mph. Sunday Night: Showers likely. Breezy with lows in the mid 40s. South winds 5 to 10 mph, becoming west. Chance of rain 70 percent. Monday: Partly sunny with a chance of showers in the morning, then mostly sunny in the afternoon. Breezy with highs ranging from the lower 50s on the tug hill to the upper 50s across the lower elevations. West winds 10 to 15 mph, becoming northwest. Chance of rain 50 percent. Monday Night: Partly cloudy in the evening, then becoming mainly clear with widespread frost developing overnight. Breezy, colder with lows ranging from the lower 30s across the tug hill to the upper 30s along the lake ontario shore. Northwest winds 5 to 10 mph, becoming light. Tuesday: Sunny. Highs in the lower 50s. Tuesday Night: Mainly clear. Lows in the upper 30s. Wednesday: Mostly sunny. Highs in the lower 60s. Wednesday Night: Mostly cloudy with a 30 percent chance of showers. Lows in the mid 40s. Thursday: Partly sunny. Highs in the lower 60s. Thursday Night: Partly cloudy. Lows in the lower 40s. Friday: Partly sunny with a 30 percent chance of showers. Highs in the lower 60s. Friday Night: Partly cloudy with a 30 percent chance of showers. Lows in the lower 40s. Saturday: Sunny. Highs in the lower 60s. | |
| Zone Forecast: Jefferson County | |
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