S
M
T
W
T
F
S
26
85°
69°
27
94°
76°
28
84°
63°
29
83°
60°
30
84°
57°
31
76°
66°
1
74°
67°
2
81°
65°
3
83°
62°
4
85°
60°
5
85°
67°
6
79°
68°
7
87°
65°
8
88°
70°
9
89°
68°
10
90°
77°
11
92°
72°
12
83°
70°
13
87°
68°
14
84°
70°
15
85°
72°
16
88°
73°
17
82°
65°
18
83°
62°
19
82°
68°
20
83°
62°
21
83°
57°
22
82°
65°
23
80°
56°
24
78°
58°
25
82°
61°
26
85°
65°
27
84°
62°
28
84°
61°
29
86°
65°
30
85°
66°
31
87°
66°
1
85°
60°
2
81°
60°
3
78°
61°
4
81°
63°
5
77°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Sangamon
Sangamon's August 2026 forecast shows daily high temperatures ranging from 77° to 87°, with overnight lows between 56° and 66°. The average high for August is 82° with an average low of 62°. 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 Sangamon. See also: September | October | November.
