S
M
T
W
T
F
S
26
66°
53°
27
64°
52°
28
64°
52°
29
65°
54°
30
64°
53°
31
64°
52°
1
65°
56°
2
65°
55°
3
64°
55°
4
64°
56°
5
65°
51°
6
63°
52°
7
64°
52°
8
65°
51°
9
66°
54°
10
68°
51°
11
66°
52°
12
70°
55°
13
70°
50°
14
69°
54°
15
69°
54°
16
68°
53°
17
69°
49°
18
68°
53°
19
69°
49°
20
68°
53°
21
67°
51°
22
66°
48°
23
62°
47°
24
60°
47°
25
59°
46°
26
60°
47°
27
61°
49°
28
63°
48°
29
59°
47°
30
60°
46°
31
59°
48°
1
58°
45°
2
58°
47°
3
59°
48°
4
60°
47°
5
58°
46°
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 58° to 70°, 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.
