| NWS Forecast for: Jefferson County Issued by: National Weather Service Buffalo, NY Last Update: 1000 AM EDT Sun Jun 21 2026 | |
| Rest Of Today: Partly sunny. A chance of showers and thunderstorms this 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 40 percent. Tonight: Partly to mostly cloudy. Lows ranging from the lower 50s across the tug hill to the upper 50s along the lake ontario shore. Light south winds. 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: Mostly cloudy. Showers likely in the evening. Lows ranging from the lower 50s on the tug hill to the mid 50s across the lower elevations. Light winds. Chance of rain 70 percent. Tuesday: Mostly sunny. Highs ranging from around 70 on the tug hill to the mid 70s across the lower elevations. Light winds, becoming northwest 5 to 10 mph. Tuesday Night: Partly cloudy. Lows in the mid 50s. Wednesday: Mostly sunny. Highs in the mid 70s. Wednesday Night: Partly cloudy. Lows in the upper 50s. Thursday: Partly sunny with a chance of showers. Highs in the upper 70s. Chance of rain 40 percent. Thursday Night: Showers likely. Lows in the upper 50s. Chance of rain 70 percent. Friday: Showers likely with a chance of thunderstorms. Highs in the mid 70s. Chance of rain 70 percent. Friday Night: Mostly cloudy with a 50 percent chance of showers and thunderstorms. Lows in the upper 50s. Saturday: Partly sunny with a chance of showers. Highs in the mid 70s. Chance of rain 40 percent. | |
| Zone Forecast: Jefferson County | |
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