| NWS Forecast for: Jefferson County Issued by: National Weather Service Buffalo, NY Last Update: 230 PM EDT Sat Sep 19 2026 |  |
| This Afternoon: Mostly sunny. Highs in the mid 60s. Light winds. Tonight: Partly cloudy in the evening, then mostly cloudy with showers likely overnight. Lows ranging from the mid 40s across the tug hill to around 50 along the lake ontario shore. Light winds. Chance of rain 70 percent. Sunday: Showers in the morning, then a chance of showers in the afternoon. Highs ranging from the upper 50s on the tug hill to the lower 60s across the lower elevations. Light winds, becoming northeast 5 to 10 mph. Chance of rain near 100 percent. Sunday Night: Partly to mostly cloudy. Lows ranging from the lower 40s across the tug hill to the upper 40s along the lake ontario shore. Light winds. Monday: Partly sunny and breezy. Highs ranging from the mid 50s on the tug hill to around 60 across the lower elevations. Northeast winds 5 to 10 mph. Monday Night: Mostly cloudy. Lows in the lower 40s. Tuesday: Mostly sunny. Highs in the lower 60s. Tuesday Night: Partly cloudy. Lows in the lower 40s. Wednesday: Mostly sunny. Highs in the upper 60s. Wednesday Night: Partly cloudy. Lows in the lower 40s. Thursday: Mostly sunny. Highs in the mid 60s. Thursday Night: Mostly cloudy. Lows in the mid 40s. Friday: Partly sunny. Highs in the mid 60s. | |
| Zone Forecast: Jefferson County | |
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