S
M
T
W
T
F
S
26
72°
48°
27
69°
55°
28
63°
53°
29
68°
50°
30
73°
54°
31
75°
53°
1
71°
52°
2
66°
57°
3
63°
56°
4
62°
56°
5
64°
53°
6
63°
54°
7
64°
52°
8
63°
54°
9
64°
54°
10
65°
54°
11
67°
54°
12
66°
54°
13
63°
53°
14
63°
54°
15
66°
55°
16
66°
51°
17
68°
53°
18
66°
54°
19
62°
50°
20
60°
50°
21
61°
51°
22
60°
50°
23
60°
49°
24
59°
49°
25
60°
50°
26
60°
46°
27
61°
46°
28
62°
52°
29
59°
52°
30
60°
51°
31
59°
49°
1
58°
48°
2
58°
46°
3
59°
46°
4
58°
48°
5
57°
49°
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 57° to 68°, with overnight lows between 46° and 57°. The average high for August is 62° 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.
