S
M
T
W
T
F
S
26
76°
59°
27
77°
62°
28
76°
60°
29
78°
60°
30
78°
66°
31
83°
65°
1
84°
66°
2
85°
66°
3
83°
65°
4
83°
59°
5
77°
57°
6
76°
56°
7
75°
56°
8
75°
57°
9
76°
57°
10
77°
60°
11
78°
62°
12
80°
64°
13
83°
65°
14
82°
64°
15
84°
61°
16
83°
58°
17
76°
57°
18
76°
57°
19
77°
59°
20
76°
58°
21
74°
60°
22
77°
57°
23
79°
63°
24
82°
64°
25
76°
57°
26
79°
57°
27
77°
64°
28
75°
64°
29
82°
63°
30
83°
64°
31
81°
62°
1
79°
63°
2
80°
59°
3
78°
60°
4
73°
62°
5
79°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Fox River Grove
Fox River Grove's August 2026 forecast shows daily high temperatures ranging from 73° to 85°, with overnight lows between 56° and 66°. The average high for August is 79° 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 Fox River Grove. See also: September | October | November.
