S
M
T
W
T
F
S
26
90°
72°
27
95°
75°
28
84°
70°
29
84°
55°
30
86°
55°
31
73°
63°
1
70°
63°
2
81°
59°
3
82°
54°
4
84°
63°
5
79°
64°
6
81°
63°
7
84°
66°
8
81°
63°
9
79°
59°
10
84°
64°
11
82°
70°
12
86°
68°
13
76°
68°
14
82°
69°
15
83°
73°
16
83°
65°
17
77°
59°
18
78°
64°
19
79°
62°
20
78°
60°
21
81°
62°
22
79°
60°
23
78°
59°
24
74°
59°
25
77°
58°
26
81°
64°
27
82°
63°
28
73°
56°
29
74°
58°
30
78°
61°
31
81°
62°
1
82°
62°
2
82°
62°
3
81°
61°
4
80°
61°
5
80°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Roscoe
Roscoe's August 2026 forecast shows daily high temperatures ranging from 73° to 86°, with overnight lows between 56° and 73°. The average high for August is 79° 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 Roscoe. See also: September | October | November.