S
M
T
W
T
F
S
26
81°
67°
27
82°
67°
28
86°
64°
29
85°
58°
30
80°
58°
31
79°
57°
1
79°
58°
2
81°
59°
3
80°
58°
4
81°
59°
5
80°
63°
6
81°
63°
7
79°
60°
8
78°
60°
9
78°
59°
10
79°
58°
11
81°
60°
12
84°
62°
13
83°
62°
14
84°
61°
15
83°
64°
16
85°
57°
17
85°
58°
18
79°
59°
19
79°
64°
20
83°
63°
21
85°
64°
22
84°
63°
23
85°
62°
24
84°
63°
25
81°
64°
26
83°
62°
27
79°
57°
28
78°
56°
29
Hist. Avg.
81°
60°
30
Hist. Avg.
80°
60°
31
Hist. Avg.
80°
59°
1
Hist. Avg.
80°
59°
2
Hist. Avg.
80°
59°
3
Hist. Avg.
80°
58°
4
Hist. Avg.
80°
58°
5
Hist. Avg.
79°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Rockford
Rockford's August 2026 forecast shows daily high temperatures ranging from 78° to 86°, with overnight lows between 56° and 67°. The average high for August is 82° 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 Rockford. See also: September | October | November.
