| NWS Forecast for: Jefferson County Issued by: National Weather Service Buffalo, NY Last Update: 1000 PM EDT Sat Oct 31 2026 |  |
| Overnight: Clear. Lows ranging from around 30 across the tug hill to the mid 30s along the lake ontario shore. Light southwest winds. Sunday: Mostly sunny and warmer with highs in the upper 50s. Light winds, becoming southwest 5 to 10 mph. Sunday Night: Partly to mostly cloudy. Not as cold with lows ranging from the lower 40s on the tug hill to the mid 40s across the lower elevations. Light winds. Monday: Mostly sunny and warm with highs in the lower 60s. Southwest winds 10 mph or less. Monday Night: Mostly cloudy. Lows in the upper 40s. Light winds. Tuesday: Partly sunny with a 30 percent chance of showers. Highs in the mid 60s. Tuesday Night: Mostly cloudy with a 30 percent chance of showers. Lows in the lower 50s. Wednesday: Partly sunny with a 30 percent chance of showers. Highs in the upper 60s. Wednesday Night: Mostly cloudy with a 50 percent chance of showers. Lows in the lower 50s. Thursday: Partly sunny with a 50 percent chance of showers. Highs in the lower 60s. Thursday Night: Showers likely. Lows in the upper 40s. Chance of rain 60 percent. Friday: Showers likely. Highs in the upper 50s. Chance of rain 60 percent. Friday Night: Mostly cloudy with a 50 percent chance of showers. Lows in the lower 40s. Saturday: Mostly cloudy with a 50 percent chance of showers. Highs in the mid 50s. | |
| Zone Forecast: Jefferson County | |
Visit your local NWS office at: https://www.weather.gov/buf |