S
M
T
W
T
F
S
27
66°
59°
28
70°
60°
29
74°
62°
30
80°
59°
1
89°
58°
2
89°
61°
3
71°
56°
4
64°
56°
5
71°
53°
6
66°
42°
7
74°
39°
8
79°
49°
9
75°
45°
10
72°
46°
11
60°
57°
12
73°
57°
13
85°
54°
14
87°
65°
15
N/A
16
84°
51°
17
57°
35°
18
60°
37°
19
63°
44°
20
67°
41°
21
65°
43°
22
64°
42°
23
65°
43°
24
65°
42°
25
60°
40°
26
59°
40°
27
61°
42°
28
64°
39°
29
53°
33°
30
58°
44°
31
54°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Williamsport
Williamsport's October 2026 forecast shows daily high temperatures ranging from 53° to 84°, with overnight lows between 33° and 51°. The average high for October is 62° with an average low of 41°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Williamsport. See also: November | December | January.
