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Swain, NY Weather Forecast
Swain, NY Weather Forecast Date: 1015 PM EDT Mon Sep 14 2026
The area/counties/county of: Allegany, including the city of Wellsville.or toggle through each period.
Rest of Tonight... Mainly clear late this evening, then becoming partly cloudy. Lows in the mid 40s. Light southeast winds.
Tuesday... Mostly sunny. Highs ranging from the upper 60s on the hilltops to the mid 70s across the lower elevations. Light winds, becoming south 5 to 10 mph.
Tuesday Night... Mainly clear in the evening, then partly cloudy with a chance of showers overnight. Warmer with lows in the upper 50s. South winds 10 to 15 mph, becoming light. Chance of rain 50%.
Wednesday... Partly sunny in the morning, then becoming mostly cloudy. A 40% chance of showers. More humid with highs ranging from the lower 70s on the hilltops to the upper 70s across the lower elevations. Light winds.
Wednesday Night... Mostly cloudy. A chance of showers in the evening, then a chance of showers and thunderstorms overnight. Lows in the lower 60s. Light winds. Chance of rain 40%.
Thursday... Showers with a chance of thunderstorms. Highs in the mid 70s. Chance of rain 80%.
Thursday Night... Showers. Lows in the upper 50s. Chance of rain 80%.
Friday... Partly sunny with a 30% chance of showers. Highs in the lower 70s.
Friday Night... Partly cloudy. Lows in the lower 50s.
Saturday... Partly sunny with a 40% chance of showers. Highs in the lower 70s.
Saturday Night... Mostly cloudy with a 50% chance of showers. Lows in the lower 50s.
Sunday... Mostly cloudy with a chance of showers. Highs in the mid 60s. Chance of rain 50%.
Sunday Night... Mostly cloudy with a chance of showers. Lows in the lower 50s. Chance of rain 40%.
POP = Probability of Precipitation
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