S
M
T
W
T
F
S
26
92°
72°
27
92°
72°
28
93°
71°
29
91°
71°
30
92°
70°
31
90°
70°
1
88°
66°
2
87°
67°
3
82°
67°
4
83°
68°
5
85°
69°
6
90°
71°
7
92°
71°
8
91°
70°
9
90°
70°
10
90°
69°
11
89°
69°
12
90°
68°
13
90°
70°
14
92°
69°
15
90°
68°
16
90°
62°
17
86°
63°
18
87°
59°
19
81°
58°
20
82°
57°
21
80°
58°
22
81°
57°
23
87°
57°
24
84°
65°
25
88°
65°
26
90°
66°
27
89°
66°
28
90°
65°
29
90°
62°
30
88°
59°
31
81°
61°
1
86°
56°
2
79°
54°
3
79°
60°
4
86°
63°
5
86°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Hiawatha
Hiawatha's August 2026 forecast shows daily high temperatures ranging from 79° to 93°, with overnight lows between 54° and 72°. The average high for August is 87° 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 August weather will actually feel in Hiawatha. See also: September | October | November.
