| NWS Forecast for: Lewis County Issued by: National Weather Service Buffalo, NY Last Update: 230 PM EDT Wed Sep 30 2026 | |
| This Afternoon: Partly sunny. Highs ranging from the upper 60s on the hilltops to the lower 70s across the lower elevations. Southwest winds 10 mph or less. Tonight: Mostly cloudy and mild with lows in the mid 50s. Light south winds. Thursday: Partly sunny in the morning, then becoming mostly cloudy. A 50 percent chance of showers. Highs ranging from the mid 60s on the hilltops to the lower 70s across the lower elevations. South winds 10 mph or less, increasing to 10 to 15 mph. Thursday Night: Mostly cloudy. A chance of showers in the evening, then showers overnight. Mild with lows in the upper 50s. South winds 5 to 10 mph, becoming southwest. Chance of rain 90 percent. Friday: Showers. Highs ranging from the lower 60s on the hilltops to the upper 60s across the lower elevations. West winds 10 mph or less. Chance of rain near 100 percent. Friday Night: Showers. Lows in the upper 30s. Chance of rain 80 percent. Saturday: Sunny. Highs around 60. Saturday Night: Mainly clear. Lows in the mid 30s. Sunday: Mostly sunny. Highs in the lower 60s. Sunday Night: Partly cloudy with a 40 percent chance of showers. Lows in the lower 40s. Monday: Partly sunny with a 40 percent chance of showers. Highs in the mid 50s. Monday Night: Mainly clear. Lows in the upper 20s. Tuesday: Sunny. Highs around 50. | |
| Zone Forecast: Lewis County | |
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