S
M
T
W
T
F
S
26
64°
52°
27
66°
57°
28
69°
57°
29
69°
56°
30
66°
57°
31
65°
56°
1
67°
57°
2
65°
57°
3
65°
55°
4
64°
54°
5
63°
52°
6
64°
52°
7
63°
54°
8
64°
53°
9
63°
52°
10
63°
52°
11
62°
53°
12
63°
52°
13
62°
50°
14
62°
50°
15
61°
50°
16
62°
49°
17
60°
48°
18
61°
47°
19
62°
49°
20
61°
48°
21
61°
47°
22
62°
48°
23
63°
47°
24
63°
52°
25
61°
52°
26
63°
49°
27
64°
52°
28
65°
51°
29
61°
52°
30
60°
52°
31
60°
51°
1
61°
50°
2
64°
44°
3
59°
44°
4
58°
43°
5
56°
44°
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 56° to 69°, with overnight lows between 43° and 57°. The average high for August is 63° 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.
