S
M
T
W
T
F
S
27
72°
45°
28
77°
51°
29
76°
49°
30
67°
61°
1
66°
52°
2
64°
41°
3
69°
40°
4
69°
44°
5
67°
38°
6
74°
51°
7
75°
50°
8
69°
42°
9
68°
46°
10
84°
51°
11
80°
54°
12
85°
63°
13
75°
58°
14
64°
53°
15
57°
51°
16
56°
35°
17
57°
29°
18
64°
42°
19
68°
38°
20
68°
36°
21
71°
38°
22
73°
41°
23
72°
46°
24
71°
51°
25
72°
49°
26
59°
47°
27
68°
52°
28
72°
51°
29
66°
45°
30
66°
49°
31
66°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Sun Prairie
Sun Prairie's October 2026 forecast shows daily high temperatures ranging from 59° to 72°, with overnight lows between 45° and 52°. The average high for October is 68° 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 Sun Prairie. See also: November | December | January.
