S
M
T
W
T
F
S
27
N/A
28
76°
62°
29
73°
54°
30
70°
51°
1
66°
45°
2
77°
41°
3
78°
48°
4
77°
43°
5
90°
52°
6
86°
45°
7
84°
43°
8
88°
51°
9
89°
43°
10
88°
46°
11
79°
46°
12
84°
51°
13
57°
44°
14
49°
43°
15
59°
37°
16
55°
30°
17
78°
24°
18
77°
29°
19
71°
37°
20
75°
33°
21
79°
40°
22
77°
53°
23
83°
56°
24
64°
44°
25
46°
40°
26
44°
35°
27
61°
34°
28
65°
41°
29
58°
37°
30
58°
49°
31
60°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Oshkosh
Oshkosh's October 2026 forecast shows daily high temperatures ranging from 58° to 60°, with overnight lows between 48° and 49°. The average high for October is 59° with an average low of 49°. 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 Oshkosh. See also: November | December | January.
