| NWS Forecast for: Jefferson County Issued by: National Weather Service Buffalo, NY Last Update: 400 PM EDT Sun Aug 16 2026 | |
| Tonight: Showers likely with a chance of thunderstorms early, then a chance of showers and thunderstorms through the early overnight. Showers likely with a chance of thunderstorms late. Warm with lows ranging from the lower 60s on the tug hill to the mid 60s across the lower elevations. South winds 10 to 15 mph, diminishing to 5 to 10 mph. Chance of rain 70 percent. Monday: Mostly cloudy with showers likely in the morning, then partly sunny with a chance of showers in the afternoon. Humid with highs ranging from the lower 70s on the tug hill to the upper 70s across the lower elevations. Light northwest winds. Chance of rain 70 percent. Monday Night: Partly cloudy. A chance of showers in the evening. Some patchy fog developing. Lows in the upper 50s. Light winds. Chance of rain 30 percent. Tuesday: Some patchy fog in the morning, otherwise mostly sunny. Highs ranging from the lower 70s on the tug hill to the upper 70s across the lower elevations. Light winds. Tuesday Night: Mainly clear in the evening, then partly cloudy with a chance of showers overnight. Lows ranging from the upper 50s across the tug hill to the mid 60s along the lake ontario shore. Light winds. Chance of rain 30 percent. Wednesday: Showers likely with a chance of thunderstorms. Highs in the mid 70s. Chance of rain 70 percent. Wednesday Night: Partly cloudy with a 50 percent chance of showers and thunderstorms. Lows in the mid 50s. Thursday: Sunny. Highs in the mid 70s. Thursday Night: Mainly clear. Lows in the lower 50s. Friday: Sunny. Highs in the mid 70s. Friday Night: Partly cloudy. Lows in the mid 50s. Saturday: Mostly sunny. Highs in the upper 70s. Saturday Night: Mostly cloudy with a 40 percent chance of showers. Lows in the upper 50s. Sunday: Showers likely. Highs in the mid 70s. Chance of rain 60 percent. | |
| Zone Forecast: Jefferson County | |
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