Monday
Mostly sunny
High:
28°F
Mostly sunny, with a high near 28. Calm wind becoming southeast around 6 mph in the afternoon.
Williamsport, PA Weather - Extended Forecast
Monday Night
Chance of snow
Overnight low:
21°F
Snow likely, mainly after 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday
Chance of snow
High:
38°F
A chance of snow before 1pm. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy
Overnight low:
24°F
Mostly cloudy, with a low around 24.
Christmas Day
Mostly cloudy
High:
37°F
Wednesday Night
Mostly cloudy
Overnight low:
24°F
Thursday
Partly sunny
High:
39°F
Thursday Night
Mostly cloudy
Overnight low:
26°F
Friday
Partly sunny
High:
41°F