S
M
T
W
T
F
S
26
87°
68°
27
88°
69°
28
89°
70°
29
88°
70°
30
87°
69°
31
87°
70°
1
88°
70°
2
89°
71°
3
89°
70°
4
88°
69°
5
88°
69°
6
89°
71°
7
89°
69°
8
87°
68°
9
85°
67°
10
85°
69°
11
89°
71°
12
89°
71°
13
88°
70°
14
89°
69°
15
87°
68°
16
87°
66°
17
86°
65°
18
84°
66°
19
87°
65°
20
86°
66°
21
87°
66°
22
86°
63°
23
81°
60°
24
78°
59°
25
78°
58°
26
79°
58°
27
79°
57°
28
80°
57°
29
79°
59°
30
80°
65°
31
85°
65°
1
85°
64°
2
86°
64°
3
86°
61°
4
84°
63°
5
79°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Sugar Grove
Sugar Grove's August 2026 forecast shows daily high temperatures ranging from 78° to 89°, with overnight lows between 57° and 71°. The average high for August is 85° with an average low of 66°. 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 Sugar Grove. See also: September | October | November.
