Sunday
Mostly cloudy
High:
85°F
A slight chance of showers after 2pm. Partly sunny, with a high near 85. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Williamsport, PA Weather - Extended Forecast
Sunday Night
Chance of showers
Overnight low:
64°F
A chance of showers, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Showers
High:
76°F
Showers, with thunderstorms also possible after 2pm. High near 76. Chance of precipitation is 90%.
Monday Night
Chance of thunderstorms
Overnight low:
54°F
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
Tuesday
Mostly sunny
High:
77°F
Tuesday Night
Chance of showers
Overnight low:
55°F
Wednesday
Showers likely
High:
76°F
Wednesday Night
Showers likely
Overnight low:
54°F
Thursday
Mostly sunny
High:
81°F