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Riffle Trail, PA Weather Forecast
Riffle Trail, PA Weather Forecast Date: 1030 PM EDT Sat Aug 01 2026
The area/counties/county of: Southern Lycoming, including the city of Williamsport.or toggle through each period.
Overnight... Mostly cloudy. A slight chance of showers. Lows in the upper 60s. Southeast winds around 5 mph. Chance of rain 20%.
Sunday... Cloudy. A slight chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70%.
Sunday Night... A chance of thunderstorms. Showers with lows in the upper 60s. Southeast winds 5 to 10 mph. Chance of rain 80%.
Monday... Mostly cloudy with showers likely in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 80s. South winds around 5 mph, becoming northwest around 5 mph in the afternoon. Chance of rain 60%.
Monday Night... Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Humid with lows in the lower 60s. North winds around 5 mph. Chance of rain 50%.
Tuesday... Partly sunny. A chance of showers in the afternoon. Humid with highs in the lower 80s. Chance of rain 50%.
Tuesday Night... Mostly cloudy with a chance of showers. Humid with lows in the mid 60s. Chance of rain 50%.
Wednesday... Partly sunny with a chance of showers in the morning, then mostly cloudy with showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the lower 80s. Chance of rain 70%.
Wednesday Night... Showers likely with a chance of thunderstorms. Humid with lows in the upper 60s. Chance of rain 70%.
Thursday... Partly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 80s. Chance of rain 50%.
Thursday Night... Partly cloudy. A chance of showers and thunderstorms in the evening. Humid with lows in the upper 60s. Chance of rain 50%.
Friday... Partly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 80s. Chance of rain 40%.
Friday Night... Mostly cloudy in the evening, then becoming partly cloudy. A chance of thunderstorms in the evening. A chance of showers. Humid with lows in the mid 60s. Chance of rain 40%.
POP = Probability of Precipitation
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