S
M
T
W
T
F
S
26
98°
65°
27
97°
65°
28
96°
64°
29
96°
65°
30
97°
65°
31
97°
64°
1
95°
64°
2
96°
65°
3
96°
65°
4
95°
64°
5
94°
64°
6
91°
63°
7
93°
64°
8
94°
64°
9
92°
62°
10
92°
60°
11
89°
58°
12
88°
58°
13
88°
59°
14
89°
58°
15
90°
58°
16
89°
61°
17
91°
58°
18
92°
59°
19
92°
59°
20
91°
58°
21
91°
58°
22
92°
59°
23
90°
62°
24
91°
58°
25
91°
59°
26
90°
58°
27
91°
58°
28
90°
57°
29
89°
58°
30
90°
58°
31
92°
59°
1
93°
61°
2
90°
58°
3
89°
58°
4
89°
57°
5
90°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Rosemont
Rosemont's August 2026 forecast shows daily high temperatures ranging from 88° to 98°, with overnight lows between 57° and 65°. The average high for August is 92° 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 Rosemont. See also: September | October | November.
