S
M
T
W
T
F
S
26
61°
49°
27
68°
41°
28
66°
40°
29
70°
46°
30
70°
46°
1
69°
43°
2
75°
34°
3
82°
45°
4
74°
55°
5
71°
47°
6
65°
46°
7
79°
38°
8
86°
44°
9
85°
47°
10
81°
44°
11
90°
43°
12
97°
50°
13
89°
54°
14
88°
53°
15
90°
50°
16
88°
56°
17
75°
51°
18
61°
42°
19
65°
46°
20
72°
43°
21
82°
46°
22
72°
43°
23
85°
49°
24
89°
53°
25
85°
54°
26
80°
58°
27
83°
57°
28
85°
53°
29
82°
47°
30
85°
48°
31
89°
60°
1
90°
56°
2
93°
58°
3
92°
62°
4
101°
59°
5
87°
54°
6
89°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Goblin Valley State Park
Goblin Valley State Park's May 2026 forecast shows daily high temperatures ranging from 72° to 101°, with overnight lows between 43° and 62°. The average high for May is 87° with an average low of 54°. 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 Goblin Valley State Park. See also: June | July | August.