S
M
T
W
T
F
S
26
90°
72°
27
95°
75°
28
84°
70°
29
84°
55°
30
86°
55°
31
73°
63°
1
70°
63°
2
81°
59°
3
82°
54°
4
84°
63°
5
79°
64°
6
81°
63°
7
84°
66°
8
81°
63°
9
79°
59°
10
84°
68°
11
80°
66°
12
82°
67°
13
77°
65°
14
78°
63°
15
78°
63°
16
78°
61°
17
77°
58°
18
76°
61°
19
79°
60°
20
81°
63°
21
82°
58°
22
77°
60°
23
80°
57°
24
77°
61°
25
79°
62°
26
82°
62°
27
83°
61°
28
82°
60°
29
74°
57°
30
73°
55°
31
73°
56°
1
74°
57°
2
76°
60°
3
75°
60°
4
79°
59°
5
81°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Evansville
Evansville's August 2026 forecast shows daily high temperatures ranging from 73° to 84°, with overnight lows between 55° and 68°. The average high for August is 78° with an average low of 61°. 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 Evansville. See also: September | October | November.
