S
M
T
W
T
F
S
26
84°
68°
27
80°
61°
28
81°
63°
29
82°
66°
30
83°
61°
31
83°
63°
1
85°
61°
2
83°
60°
3
82°
59°
4
79°
58°
5
80°
59°
6
80°
59°
7
81°
58°
8
81°
61°
9
82°
64°
10
79°
65°
11
82°
65°
12
84°
66°
13
83°
66°
14
87°
59°
15
86°
58°
16
79°
60°
17
79°
64°
18
80°
58°
19
82°
56°
20
78°
57°
21
79°
57°
22
80°
59°
23
83°
63°
24
84°
64°
25
85°
56°
26
85°
56°
27
77°
57°
28
78°
55°
29
78°
61°
30
81°
62°
31
84°
62°
1
84°
58°
2
82°
58°
3
82°
60°
4
76°
59°
5
76°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Annawan
Annawan's August 2026 forecast shows daily high temperatures ranging from 76° to 87°, with overnight lows between 55° and 68°. The average high for August is 81° 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 Annawan. See also: September | October | November.
