S
M
T
W
T
F
S
26
87°
67°
27
87°
66°
28
84°
66°
29
85°
65°
30
83°
64°
31
79°
64°
1
79°
62°
2
80°
62°
3
81°
64°
4
78°
60°
5
79°
57°
6
78°
60°
7
81°
62°
8
82°
64°
9
84°
63°
10
84°
64°
11
83°
63°
12
84°
63°
13
84°
64°
14
83°
63°
15
81°
62°
16
79°
59°
17
80°
61°
18
82°
62°
19
83°
63°
20
82°
61°
21
75°
52°
22
74°
52°
23
75°
54°
24
74°
57°
25
75°
58°
26
76°
57°
27
75°
62°
28
82°
60°
29
84°
52°
30
80°
51°
31
75°
55°
1
75°
59°
2
74°
54°
3
80°
60°
4
82°
55°
5
80°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Rockford
Rockford's August 2026 forecast shows daily high temperatures ranging from 74° to 87°, with overnight lows between 50° and 67°. The average high for August is 80° 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 Rockford. See also: September | October | November.
