Weather WorldSylvan Dell, PA 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Sylvan Dell, PA Weather Forecast
Sylvan Dell, PA Weather Forecast Date: 1030 PM EDT Sat Oct 03 2026
The area/counties/county of: Southern Lycoming, including the city of Williamsport.or toggle through each period.
Overnight... Partly cloudy. Lows in the upper 40s. East winds around 5 mph.
Sunday... Mostly cloudy with a 30% chance of light rain. Highs in the upper 50s. Southeast winds 5 to 10 mph.
Sunday Night... Mostly cloudy. Patchy fog. Lows in the lower 50s. Southeast winds around 5 mph, becoming west after midnight.
Monday... Mostly sunny. Highs in the mid 60s. Northwest winds 10 to 15 mph with gusts up to 25 mph.
Monday Night... Clear. Much cooler with lows in the upper 30s. Northwest winds 10 to 15 mph, diminishing to around 5 mph after midnight.
Tuesday... Sunny. Highs in the lower 60s.
Tuesday Night... Clear. Lows around 40.
Wednesday... Sunny. Highs in the upper 60s.
Wednesday Night... Mostly clear. Lows in the mid 40s.
Thursday... Mostly sunny. Highs around 70.
Thursday Night... Mostly clear. Lows in the mid 40s.
Friday... Sunny. Highs in the upper 60s.
Friday Night... Partly cloudy. Lows in the mid 40s.
POP = Probability of Precipitation
Sylvan Dell Radar Loop
Use the map search tool if you want to place a location marker on the radar map...