S
M
T
W
T
F
S
26
81°
68°
27
81°
67°
28
85°
61°
29
80°
59°
30
79°
58°
31
79°
58°
1
80°
59°
2
79°
58°
3
81°
60°
4
80°
61°
5
80°
65°
6
81°
61°
7
79°
60°
8
79°
61°
9
80°
59°
10
79°
59°
11
83°
60°
12
83°
60°
13
82°
64°
14
85°
66°
15
85°
66°
16
86°
58°
17
82°
59°
18
79°
61°
19
77°
64°
20
83°
65°
21
85°
66°
22
84°
65°
23
83°
60°
24
84°
61°
25
77°
64°
26
78°
57°
27
Hist. Avg.
81°
60°
28
Hist. Avg.
81°
60°
29
Hist. Avg.
80°
60°
30
Hist. Avg.
80°
59°
31
Hist. Avg.
80°
59°
1
Hist. Avg.
80°
59°
2
Hist. Avg.
80°
59°
3
Hist. Avg.
79°
58°
4
Hist. Avg.
79°
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 77° to 86°, with overnight lows between 57° and 68°. The average high for August is 81° 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 Rockford. See also: September | October | November.
