S
M
T
W
T
F
S
26
72°
48°
27
70°
46°
28
59°
41°
29
57°
43°
30
54°
36°
1
54°
37°
2
64°
30°
3
73°
50°
4
77°
46°
5
57°
36°
6
52°
32°
7
63°
36°
8
75°
37°
9
66°
43°
10
68°
36°
11
68°
36°
12
81°
54°
13
73°
45°
14
77°
46°
15
88°
52°
16
81°
57°
17
73°
61°
18
72°
61°
19
66°
43°
20
59°
39°
21
55°
50°
22
64°
50°
23
73°
54°
24
82°
50°
25
88°
59°
26
90°
63°
27
86°
63°
28
84°
64°
29
82°
57°
30
84°
63°
31
74°
62°
1
81°
56°
2
81°
55°
3
82°
60°
4
76°
63°
5
79°
65°
6
82°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Colwell
Colwell's May 2026 forecast shows daily high temperatures ranging from 74° to 82°, with overnight lows between 55° and 65°. The average high for May is 79° with an average low of 60°. 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 Colwell. See also: June | July | August.