S
M
T
W
T
F
S
26
68°
39°
27
70°
35°
28
72°
40°
29
74°
42°
30
69°
41°
1
72°
41°
2
65°
36°
3
66°
38°
4
66°
38°
5
67°
42°
6
70°
42°
7
77°
43°
8
78°
44°
9
77°
44°
10
78°
45°
11
78°
44°
12
77°
43°
13
75°
44°
14
70°
39°
15
70°
39°
16
76°
44°
17
72°
44°
18
71°
43°
19
71°
42°
20
73°
45°
21
80°
47°
22
78°
46°
23
76°
45°
24
79°
46°
25
81°
41°
26
83°
46°
27
85°
48°
28
84°
46°
29
85°
47°
30
87°
46°
31
85°
48°
1
86°
48°
2
89°
49°
3
90°
49°
4
89°
47°
5
88°
49°
6
88°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Petrified Forest National Park
Petrified Forest National Park's May 2026 forecast shows daily high temperatures ranging from 65° to 90°, with overnight lows between 35° and 49°. The average high for May is 77° with an average low of 44°. 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 Petrified Forest National Park. See also: June | July | August.
