S
M
T
W
T
F
S
26
72°
51°
27
72°
46°
28
59°
42°
29
59°
42°
30
57°
40°
1
56°
38°
2
64°
32°
3
75°
51°
4
79°
49°
5
59°
40°
6
55°
33°
7
67°
38°
8
76°
39°
9
70°
40°
10
73°
37°
11
72°
35°
12
81°
54°
13
76°
49°
14
80°
46°
15
90°
54°
16
80°
56°
17
81°
62°
18
75°
49°
19
59°
41°
20
60°
47°
21
59°
51°
22
64°
52°
23
70°
52°
24
78°
59°
25
82°
58°
26
80°
60°
27
81°
58°
28
78°
57°
29
77°
55°
30
78°
56°
31
76°
54°
1
81°
59°
2
75°
58°
3
72°
55°
4
72°
56°
5
76°
60°
6
76°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Coulter
Coulter's May 2026 forecast shows daily high temperatures ranging from 59° to 82°, with overnight lows between 41° and 60°. The average high for May is 73° with an average low of 55°. 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 Coulter. See also: June | July | August.