S
M
T
W
T
F
S
26
65°
51°
27
71°
48°
28
77°
48°
29
83°
52°
30
87°
53°
1
90°
58°
2
87°
58°
3
86°
53°
4
78°
52°
5
79°
51°
6
81°
53°
7
84°
55°
8
85°
56°
9
84°
56°
10
86°
54°
11
84°
51°
12
87°
57°
13
88°
57°
14
89°
58°
15
90°
57°
16
89°
57°
17
89°
56°
18
88°
56°
19
85°
55°
20
84°
55°
21
86°
57°
22
88°
57°
23
89°
58°
24
91°
59°
25
91°
59°
26
92°
60°
27
92°
60°
28
91°
59°
29
92°
60°
30
91°
59°
31
90°
58°
1
89°
59°
2
89°
58°
3
90°
56°
4
86°
58°
5
88°
59°
6
89°
58°
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 77° to 92°, with overnight lows between 48° and 60°. The average high for May is 87° with an average low of 56°. 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.