S
M
T
W
T
F
S
26
65°
51°
27
67°
48°
28
74°
44°
29
75°
45°
30
73°
48°
1
78°
52°
2
78°
55°
3
69°
51°
4
66°
48°
5
65°
49°
6
72°
52°
7
75°
53°
8
73°
52°
9
68°
53°
10
72°
54°
11
74°
54°
12
77°
56°
13
78°
56°
14
77°
52°
15
69°
49°
16
70°
49°
17
70°
50°
18
71°
49°
19
71°
50°
20
72°
50°
21
77°
54°
22
78°
56°
23
79°
55°
24
76°
53°
25
77°
56°
26
79°
56°
27
76°
55°
28
77°
53°
29
76°
52°
30
72°
50°
31
72°
50°
1
73°
51°
2
74°
52°
3
75°
53°
4
78°
54°
5
78°
54°
6
77°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Rainbow
Rainbow's May 2026 forecast shows daily high temperatures ranging from 65° to 79°, with overnight lows between 48° and 56°. The average high for May is 74° with an average low of 52°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Rainbow. See also: June | July | August.
