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Borough of Muncy, PAMuncy, PA 7-Day Night Weather Forecast
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Muncy, PA Weather Forecast
Muncy, PA Weather Forecast Date: 300 PM EDT Tue Sep 08 2026
The area/counties/county of: Southern Lycoming, including the city of Williamsport.or toggle through each period.
This Afternoon... Partly sunny. Near steady temperature in the upper 70s. Southwest winds around 5 mph.
Tonight... Mostly cloudy. Lows in the upper 50s. South winds around 5 mph in the evening, becoming light and variable.
Wednesday... Mostly sunny. Very warm with highs in the lower 80s. South winds 5 to 10 mph with gusts up to 20 mph.
Wednesday Night... Mostly cloudy. A chance of showers in the evening, then showers likely after midnight. Humid with lows in the upper 60s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70%.
Thursday... Partly sunny with a chance of showers in the morning, then mostly cloudy with showers likely in the afternoon. Humid with highs in the upper 70s. West winds 5 to 10 mph. Chance of rain 60%.
Thursday Night... Mostly cloudy with showers likely in the evening, then partly cloudy after midnight. Cooler with lows in the upper 50s. Chance of rain 60%.
Friday... Sunny. Highs in the mid 70s.
Friday Night... Mostly clear. Lows in the mid 50s.
Saturday... Mostly sunny. Highs in the mid 70s.
Saturday Night... Mostly cloudy with a 40% chance of showers. Lows in the lower 60s.
Sunday... Mostly cloudy. A chance of showers in the afternoon. Humid with highs in the upper 70s. Chance of rain 40%.
Sunday Night... Mostly cloudy. A chance of showers in the evening. Humid with lows in the lower 60s. Chance of rain 40%.
POP = Probability of Precipitation
Muncy Radar Loop
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