Sunday
Mostly sunny
High:
23°F
Mostly sunny, with a high near 23. North wind 13 to 15 mph, with gusts as high as 28 mph.
Williamsport, PA Weather - Extended Forecast
Sunday Night
Mostly clear
Overnight low:
10°F
Mostly clear, with a low around 10.
Monday
Sunny
High:
31°F
Sunny, with a high near 31.
Monday Night
Partly cloudy
Overnight low:
11°F
Partly cloudy, with a low around 11.
Tuesday
Partly sunny
High:
32°F
Tuesday Night
Mostly cloudy
Overnight low:
15°F
Wednesday
Partly sunny
High:
29°F
Wednesday Night
Mostly cloudy
Overnight low:
12°F
Thursday
Mostly sunny
High:
28°F