S
M
T
W
T
F
S
26
46°
34°
27
54°
27°
28
62°
25°
29
65°
31°
30
66°
28°
1
63°
33°
2
66°
28°
3
69°
36°
4
58°
44°
5
52°
31°
6
65°
28°
7
70°
28°
8
79°
34°
9
79°
40°
10
78°
42°
11
81°
34°
12
82°
48°
13
75°
42°
14
73°
34°
15
75°
41°
16
71°
39°
17
67°
34°
18
62°
35°
19
65°
26°
20
68°
27°
21
71°
31°
22
73°
34°
23
74°
36°
24
74°
43°
25
67°
43°
26
68°
39°
27
66°
37°
28
84°
45°
29
82°
42°
30
82°
49°
31
87°
53°
1
90°
55°
2
90°
56°
3
88°
56°
4
89°
55°
5
90°
56°
6
88°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Petrified Forest Natl Pk
Petrified Forest Natl Pk's May 2026 forecast shows daily high temperatures ranging from 82° to 90°, with overnight lows between 42° and 57°. The average high for May is 87° with an average low of 52°. 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 Natl Pk. See also: June | July | August.
