S
M
T
W
T
F
S
26
88°
67°
27
82°
61°
28
83°
62°
29
85°
66°
30
84°
60°
31
85°
65°
1
86°
61°
2
84°
58°
3
83°
59°
4
81°
57°
5
82°
58°
6
82°
58°
7
83°
59°
8
84°
59°
9
86°
64°
10
82°
65°
11
85°
65°
12
87°
66°
13
87°
66°
14
88°
60°
15
88°
57°
16
83°
59°
17
82°
64°
18
81°
59°
19
83°
56°
20
80°
56°
21
81°
57°
22
82°
59°
23
86°
63°
24
87°
64°
25
86°
56°
26
87°
56°
27
80°
57°
28
80°
55°
29
81°
62°
30
83°
63°
31
86°
63°
1
86°
57°
2
83°
57°
3
85°
60°
4
79°
60°
5
79°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Bloomington
Bloomington's August 2026 forecast shows daily high temperatures ranging from 79° to 88°, with overnight lows between 55° and 67°. The average high for August is 84° with an average low of 60°. 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 Bloomington. See also: September | October | November.