S
M
T
W
T
F
S
28
77°
58°
29
92°
74°
30
90°
79°
1
91°
79°
2
88°
68°
3
85°
68°
4
79°
66°
5
81°
64°
6
82°
60°
7
86°
58°
8
86°
68°
9
83°
68°
10
83°
65°
11
84°
61°
12
88°
57°
13
90°
64°
14
94°
68°
15
95°
68°
16
90°
70°
17
90°
68°
18
86°
68°
19
83°
61°
20
84°
66°
21
80°
58°
22
72°
52°
23
77°
58°
24
79°
60°
25
83°
68°
26
92°
72°
27
93°
68°
28
89°
63°
29
84°
61°
30
85°
60°
31
83°
60°
1
79°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Sun Prairie
Sun Prairie's July 2026 forecast shows daily high temperatures ranging from 72° to 93°, with overnight lows between 52° and 72°. The average high for July is 83° with an average low of 62°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Sun Prairie. See also: August | September | October.
