S
M
T
W
T
F
S
26
70°
39°
27
69°
40°
28
66°
40°
29
61°
39°
30
64°
40°
1
61°
39°
2
63°
40°
3
62°
41°
4
68°
41°
5
71°
40°
6
63°
38°
7
70°
42°
8
73°
42°
9
70°
43°
10
67°
43°
11
74°
42°
12
74°
43°
13
73°
44°
14
75°
44°
15
75°
45°
16
72°
45°
17
70°
44°
18
78°
45°
19
78°
44°
20
79°
46°
21
80°
41°
22
79°
37°
23
80°
45°
24
81°
43°
25
81°
43°
26
80°
47°
27
82°
48°
28
82°
43°
29
81°
44°
30
83°
46°
31
80°
48°
1
84°
48°
2
85°
44°
3
84°
47°
4
85°
50°
5
84°
46°
6
84°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cimarron
Cimarron's May 2026 forecast shows daily high temperatures ranging from 61° to 85°, with overnight lows between 37° and 50°. The average high for May is 75° with an average low of 43°. 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 Cimarron. See also: June | July | August.