S
M
T
W
T
F
S
26
66°
55°
27
61°
50°
28
66°
52°
29
65°
54°
30
65°
53°
31
66°
54°
1
67°
55°
2
66°
54°
3
65°
55°
4
67°
56°
5
67°
53°
6
66°
55°
7
64°
54°
8
63°
50°
9
63°
50°
10
64°
51°
11
63°
53°
12
63°
51°
13
64°
50°
14
65°
50°
15
64°
53°
16
63°
54°
17
63°
53°
18
67°
54°
19
66°
52°
20
61°
51°
21
62°
49°
22
61°
50°
23
60°
49°
24
59°
48°
25
61°
48°
26
62°
46°
27
66°
47°
28
66°
50°
29
65°
51°
30
62°
46°
31
65°
45°
1
63°
51°
2
62°
51°
3
59°
49°
4
61°
47°
5
59°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Rainbow
Rainbow's August 2026 forecast shows daily high temperatures ranging from 59° to 67°, with overnight lows between 45° and 56°. The average high for August is 64° with an average low of 51°. 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 Rainbow. See also: September | October | November.
