S
M
T
W
T
F
S
28
85°
69°
29
86°
66°
30
87°
66°
1
88°
65°
2
87°
65°
3
89°
64°
4
86°
67°
5
87°
67°
6
84°
61°
7
84°
62°
8
85°
63°
9
85°
63°
10
86°
68°
11
89°
69°
12
92°
68°
13
90°
68°
14
90°
68°
15
87°
67°
16
90°
67°
17
88°
68°
18
88°
68°
19
90°
67°
20
93°
69°
21
89°
66°
22
88°
67°
23
88°
67°
24
89°
68°
25
92°
69°
26
90°
69°
27
93°
68°
28
88°
69°
29
89°
69°
30
91°
70°
31
91°
70°
1
92°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Winona
Winona's July 2026 forecast shows daily high temperatures ranging from 84° to 93°, with overnight lows between 61° and 70°. The average high for July is 88° with an average low of 67°. 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 Winona. See also: August | September | October.
