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Lycoming, PA Weather Forecast
Lycoming, PA Weather Forecast Date: 1200 PM EDT Tue Oct 13 2026
The area/counties/county of: Southern Lycoming, including the city of Williamsport.or toggle through each period.
Today... Mostly cloudy this morning, then clearing. Patchy fog this morning. Warmer with highs in the upper 70s. South winds 5 to 10 mph.
Tonight... Mostly clear in the evening, then becoming partly cloudy. Unseasonably mild. Lows in the lower 60s. Southwest winds 5 to 10 mph with gusts up to 20 mph.
Wednesday... Partly sunny. Warm with highs in the mid 70s. West winds 5 to 10 mph.
Wednesday Night... Mostly cloudy. Cooler with lows around 50. North winds 5 to 10 mph with gusts up to 20 mph.
Thursday... Mostly sunny. Cooler with highs in the mid 60s. North winds 5 to 10 mph with gusts up to 20 mph, becoming east in the afternoon.
Thursday Night... Showers likely in the evening, then showers after midnight. Mild. Lows in the mid 50s. Chance of rain near 100%.
Friday... Showers. Highs in the upper 60s. Temperature falling to around 60 in the afternoon. Chance of rain near 100%.
Friday Night... Mostly cloudy. A chance of showers in the evening. Breezy and much cooler with lows in the upper 30s. Chance of rain 50%.
Saturday... Sunny, breezy and much cooler with highs in the upper 40s.
Saturday Night... Mostly clear. Widespread frost after midnight. Lows in the lower 30s.
Sunday... Widespread frost in the morning. Sunny. Not as cool with highs in the upper 50s.
Sunday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 30s.
POP = Probability of Precipitation
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