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Sullivan, PA Weather Forecast
Sullivan, PA Weather Forecast Date: 430 AM EDT Wed Sep 16 2026
The area/counties/county of: Tioga, including the cities of: Mansfield and Wellsboro.or toggle through each period.
Today... Partly sunny. A slight chance of showers this morning, then a chance of showers with a slight chance of thunderstorms this afternoon. Highs in the mid 70s. South winds around 5 mph, becoming west this afternoon. Chance of rain 50%.
Tonight... A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Humid with lows in the lower 60s. Northeast winds around 5 mph in the evening, becoming light and variable. Chance of rain 40%.
Thursday... Mostly cloudy. A chance of showers in the morning, then showers likely in the afternoon. Humid with highs in the mid 70s. South winds 5 to 10 mph. Chance of rain 70%.
Thursday Night... Mostly cloudy. A chance of showers in the evening. Lows in the upper 50s. Northwest winds around 5 mph. Chance of rain 50%.
Friday... Mostly sunny. Highs in the upper 60s. North winds 5 to 10 mph with gusts up to 20 mph.
Friday Night... Partly cloudy. Cooler with lows in the mid 40s.
Saturday... Partly sunny in the morning, then becoming mostly cloudy. Highs in the lower 60s.
Saturday Night... Showers likely in the evening, then showers after midnight. Lows in the lower 50s. Chance of rain 80%.
Sunday... Showers, mainly in the morning. Highs in the lower 60s. Chance of rain 80%.
Sunday Night... Mostly cloudy with a 50% chance of showers. Lows in the lower 50s.
Monday... Mostly cloudy with a chance of showers. Highs in the mid 60s. Chance of rain 50%.
Monday Night... Mostly cloudy with a chance of showers. Lows in the lower 50s. Chance of rain 50%.
POP = Probability of Precipitation
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