| NWS Forecast for: Jefferson County Issued by: National Weather Service Buffalo, NY Last Update: 1000 AM EDT Sun Jul 19 2026 | |
| Rest Of Today: Becoming mostly sunny. Highs ranging from the upper 60s on the tug hill to the mid 70s across the lower elevations. Northwest winds 5 to 10 mph, becoming west 10 to 15 mph. Tonight: Mainly clear. Lows ranging from the mid 50s across the tug hill to the upper 50s along the lake ontario shore. West winds 5 to 10 mph, becoming light. Monday: Sunny. Highs ranging from the lower 70s on the tug hill to the mid 70s across the lower elevations. Southwest winds 10 mph or less. Monday Night: Mostly cloudy and breezy. Lows ranging from the lower 60s across the tug hill to the mid 60s along the lake ontario shore. Light winds, becoming south 10 to 15 mph. Tuesday: Partly sunny with a chance of showers in the morning, then mostly cloudy with showers with a chance of thunderstorms in the afternoon. Breezy with highs ranging from the mid 70s on the tug hill to the lower 80s across the lower elevations. South winds 10 to 15 mph. Chance of rain 90 percent. Tuesday Night: Showers with a chance of thunderstorms. Lows in the lower 60s. Chance of rain near 100 percent. Wednesday: Showers likely. Highs in the lower 70s. Chance of rain 70 percent. Wednesday Night: Mostly cloudy with a 50 percent chance of showers. Lows in the mid 50s. Thursday: Sunny. Highs in the lower 70s. Thursday Night: Mainly clear. Lows in the mid 50s. Friday: Sunny. Highs in the upper 70s. Friday Night: Partly cloudy. Lows around 60. Saturday: Mostly sunny. Highs in the upper 70s. | |
| Zone Forecast: Jefferson County | |
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