S
M
T
W
T
F
S
27
79°
46°
28
70°
53°
29
73°
52°
30
77°
45°
1
72°
49°
2
73°
50°
3
68°
45°
4
70°
46°
5
73°
48°
6
72°
48°
7
73°
40°
8
66°
42°
9
68°
43°
10
Hist. Avg.
68°
45°
11
Hist. Avg.
68°
45°
12
Hist. Avg.
68°
45°
13
Hist. Avg.
67°
44°
14
Hist. Avg.
67°
44°
15
Hist. Avg.
66°
44°
16
Hist. Avg.
66°
44°
17
Hist. Avg.
66°
43°
18
Hist. Avg.
65°
43°
19
Hist. Avg.
65°
43°
20
Hist. Avg.
64°
43°
21
Hist. Avg.
64°
42°
22
Hist. Avg.
64°
42°
23
Hist. Avg.
63°
42°
24
Hist. Avg.
63°
42°
25
Hist. Avg.
63°
41°
26
Hist. Avg.
62°
41°
27
Hist. Avg.
62°
41°
28
Hist. Avg.
61°
41°
29
Hist. Avg.
61°
40°
30
Hist. Avg.
60°
40°
31
Hist. Avg.
60°
40°
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 66° to 79°, with overnight lows between 40° and 53°. The average high for October is 72° with an average low of 47°. 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.
