Weather WorldThird Gap Trail, PA 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Third Gap Trail, PA Weather Forecast
Third Gap Trail, PA Weather Forecast Date: 1030 AM EDT Sun Sep 06 2026
The area/counties/county of: Southern Lycoming, including the city of Williamsport.or toggle through each period.
Today... Patchy fog this morning. Mostly sunny. Highs in the mid 70s. North winds 5 to 10 mph.
Tonight... Mostly clear. Patchy dense fog after midnight. Lows in the lower 50s. North winds 5 to 10 mph.
Labor Day... Patchy dense fog in the morning. Mostly sunny. Highs in the mid 70s. North winds around 5 mph.
Monday Night... Partly cloudy in the evening, then clearing. Patchy fog after midnight. Lows in the lower 50s. Light and variable winds.
Tuesday... Patchy fog in the morning. Mostly sunny. Highs in the upper 70s. Light and variable winds, becoming southwest around 5 mph in the afternoon.
Tuesday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 50s.
Wednesday... Mostly sunny. Very warm with highs in the lower 80s.
Wednesday Night... Mostly cloudy with a chance of showers. Humid with lows in the upper 60s. Chance of rain 40%.
Thursday... Partly sunny with a chance of showers. Highs in the upper 70s. Chance of rain 30%.
Thursday Night... Mostly cloudy. Cooler with lows in the mid 50s.
Friday... Mostly sunny. Highs in the lower 70s.
Friday Night... Mostly clear. Lows in the lower 50s.
POP = Probability of Precipitation
Third Gap Trail Radar Loop
Use the map search tool if you want to place a location marker on the radar map...