S
M
T
W
T
F
S
26
84°
64°
27
84°
66°
28
81°
64°
29
81°
57°
30
88°
55°
31
88°
59°
1
79°
66°
2
79°
63°
3
82°
59°
4
82°
54°
5
84°
52°
6
86°
70°
7
84°
66°
8
88°
61°
9
86°
52°
10
84°
66°
11
77°
63°
12
75°
63°
13
79°
61°
14
82°
68°
15
79°
68°
16
84°
70°
17
81°
61°
18
81°
57°
19
82°
66°
20
79°
59°
21
81°
55°
22
77°
57°
23
75°
55°
24
77°
52°
25
79°
54°
26
81°
63°
27
82°
61°
28
80°
54°
29
83°
60°
30
87°
66°
31
87°
66°
1
79°
56°
2
77°
56°
3
80°
55°
4
80°
57°
5
81°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Napoleon
Napoleon's August 2026 forecast shows daily high temperatures ranging from 77° to 87°, with overnight lows between 54° and 66°. The average high for August is 81° with an average low of 59°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Napoleon. See also: September | October | November.
