S
M
T
W
T
F
S
26
70°
47°
27
72°
50°
28
71°
49°
29
72°
42°
30
66°
43°
1
69°
43°
2
75°
50°
3
77°
51°
4
77°
51°
5
74°
48°
6
71°
44°
7
72°
51°
8
68°
45°
9
73°
46°
10
76°
49°
11
80°
52°
12
79°
53°
13
80°
53°
14
81°
54°
15
81°
54°
16
80°
54°
17
81°
54°
18
77°
52°
19
77°
55°
20
76°
55°
21
73°
51°
22
71°
50°
23
73°
53°
24
75°
54°
25
73°
46°
26
71°
45°
27
74°
47°
28
78°
50°
29
83°
53°
30
79°
47°
31
77°
49°
1
80°
54°
2
85°
59°
3
88°
57°
4
90°
59°
5
90°
59°
6
89°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Zion National Park
Zion National Park's May 2026 forecast shows daily high temperatures ranging from 66° to 90°, with overnight lows between 42° and 59°. The average high for May is 77° with an average low of 51°. 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 Zion National Park. See also: June | July | August.
