| NWS Forecast for: Jefferson County Issued by: National Weather Service Buffalo, NY Last Update: 230 PM EDT Sat May 2 2026 |  |
| This Afternoon: Partly to mostly sunny. A 40 percent chance of showers. Cool with highs ranging from the lower 40s on the tug hill to the upper 40s across the lower elevations. West winds 10 to 15 mph. Tonight: Partly to mostly cloudy with widespread frost developing. Lows ranging from the lower 30s across the tug hill to the mid 30s along the lake ontario shore. Southwest winds 5 to 10 mph, becoming light. Sunday: Sunny, cool with highs ranging from the upper 40s on the tug hill to the lower 50s across the lower elevations. Light winds, becoming southwest 10 to 15 mph. Sunday Night: Mostly cloudy with a 50 percent chance of showers. Lows ranging from the upper 30s on the tug hill to the lower 40s across the lower elevations. Southwest winds 10 to 15 mph. Monday: Mostly cloudy with a chance of showers in the morning, then partly sunny in the afternoon. Not as cool with highs in the lower 60s. Southwest winds 10 to 15 mph. Chance of rain 50 percent. Monday Night: Mostly cloudy with a 30 percent chance of showers. Lows around 50. Tuesday: Showers likely with a chance of thunderstorms. Highs in the mid 60s. Chance of rain 70 percent. Tuesday Night: Showers likely. Lows in the mid 40s. Chance of rain 70 percent. Wednesday: Showers likely. Highs in the mid 50s. Chance of rain 70 percent. Wednesday Night: Mostly cloudy with a 50 percent chance of showers. Lows in the lower 40s. Thursday: Showers likely. Highs in the lower 50s. Chance of rain 70 percent. Thursday Night: Showers likely. Lows in the upper 30s. Chance of rain 70 percent. Friday: Partly sunny with a 40 percent chance of showers. Highs in the lower 50s. | |
| Zone Forecast: Jefferson County | |
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