S
M
T
W
T
F
S
28
84°
61°
29
80°
55°
30
84°
58°
1
85°
59°
2
87°
60°
3
86°
62°
4
89°
62°
5
87°
61°
6
87°
61°
7
84°
62°
8
82°
57°
9
82°
61°
10
85°
63°
11
85°
64°
12
86°
64°
13
86°
63°
14
85°
64°
15
85°
64°
16
84°
63°
17
85°
63°
18
77°
62°
19
77°
62°
20
80°
63°
21
82°
64°
22
86°
64°
23
84°
62°
24
83°
63°
25
86°
64°
26
86°
65°
27
84°
65°
28
87°
64°
29
81°
62°
30
79°
63°
31
80°
62°
1
82°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Napoleon
Napoleon's July 2026 forecast shows daily high temperatures ranging from 77° to 89°, with overnight lows between 55° and 65°. The average high for July is 84° 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 Napoleon. See also: August | September | October.