| NWS Forecast for: Jefferson County Issued by: National Weather Service Buffalo, NY Last Update: 400 AM EDT Sat Jun 20 2026 |  |
Today: Mostly cloudy. A chance of showers early. Showers likely with a chance of thunderstorms this afternoon. Highs ranging from the lower 60s on the tug hill to the upper 60s across the lower elevations. West winds 5 to 10 mph, increasing to 10 to 15 mph. Chance of rain 70 percent. Tonight: Mostly cloudy. A chance of showers and thunderstorms in the evening, then a chance of showers overnight. Lows ranging from around 50 on the tug hill to the mid 50s across the lower elevations. West winds 5 to 10 mph, becoming light. Chance of rain 50 percent. Sunday: Partly sunny. A chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs ranging from the upper 60s on the tug hill to the lower 70s across the lower elevations. Light winds, becoming west 5 to 10 mph. Chance of rain 50 percent. Sunday Night: Mostly cloudy. A chance of showers in the evening. Lows ranging from the mid 50s across the tug hill to the upper 50s along the lake ontario shore. Light winds. Chance of rain 50 percent. Monday: Showers likely. Highs ranging from the upper 60s on the tug hill to the lower 70s across the lower elevations. Light winds. Chance of rain 70 percent. Monday Night: Showers likely. Lows in the mid 50s. Chance of rain 70 percent. Tuesday: Partly sunny with a 30 percent chance of showers. Highs in the mid 70s. Tuesday Night: Partly cloudy. Lows in the mid 50s. Wednesday: Mostly sunny. Highs in the mid 70s. Wednesday Night: Partly cloudy with a chance of showers. Lows in the upper 50s. Chance of rain 30 percent. Thursday: Showers likely with a chance of thunderstorms. Highs in the upper 70s. Chance of rain 70 percent. Thursday Night: Showers likely with a chance of thunderstorms. Lows in the upper 50s. Chance of rain 70 percent. Friday: Showers likely. Highs in the mid 70s. Chance of rain 70 percent. | |
| Zone Forecast: Jefferson County | |
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