S
M
T
W
T
F
S
26
71°
55°
27
66°
52°
28
66°
52°
29
67°
53°
30
66°
52°
31
70°
52°
1
70°
53°
2
71°
53°
3
72°
56°
4
72°
53°
5
66°
54°
6
67°
51°
7
65°
52°
8
69°
51°
9
65°
55°
10
65°
56°
11
66°
56°
12
65°
55°
13
64°
50°
14
64°
50°
15
67°
48°
16
63°
49°
17
67°
52°
18
69°
54°
19
66°
54°
20
63°
53°
21
62°
49°
22
62°
49°
23
63°
51°
24
67°
52°
25
65°
51°
26
67°
50°
27
65°
51°
28
62°
46°
29
58°
47°
30
63°
47°
31
60°
45°
1
61°
46°
2
Hist. Avg.
61°
46°
3
Hist. Avg.
61°
46°
4
Hist. Avg.
60°
46°
5
Hist. Avg.
60°
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 72°, with overnight lows between 45° and 56°. The average high for August is 66° 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.
