S
M
T
W
T
F
S
28
81°
64°
29
90°
77°
30
88°
77°
1
84°
68°
2
77°
66°
3
81°
68°
4
82°
66°
5
82°
66°
6
82°
63°
7
86°
64°
8
84°
72°
9
86°
67°
10
87°
66°
11
87°
64°
12
86°
64°
13
90°
65°
14
93°
67°
15
94°
69°
16
92°
71°
17
89°
72°
18
92°
70°
19
90°
66°
20
85°
63°
21
81°
60°
22
78°
61°
23
78°
61°
24
84°
63°
25
83°
63°
26
82°
65°
27
83°
63°
28
80°
65°
29
79°
64°
30
79°
62°
31
82°
66°
1
80°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Decorah
Decorah's July 2026 forecast shows daily high temperatures ranging from 78° to 94°, with overnight lows between 60° and 72°. The average high for July is 84° with an average low of 65°. 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 Decorah. See also: August | September | October.
