S
M
T
W
T
F
S
26
93°
66°
27
94°
68°
28
92°
69°
29
91°
61°
30
95°
63°
31
N/A
1
100°
68°
2
100°
68°
3
98°
66°
4
99°
64°
5
94°
62°
6
93°
61°
7
92°
61°
8
86°
59°
9
86°
59°
10
87°
58°
11
84°
58°
12
83°
57°
13
83°
58°
14
89°
57°
15
84°
56°
16
84°
56°
17
83°
56°
18
83°
53°
19
84°
53°
20
83°
56°
21
83°
56°
22
84°
55°
23
85°
57°
24
87°
59°
25
88°
58°
26
88°
58°
27
87°
57°
28
86°
58°
29
85°
57°
30
86°
58°
31
87°
58°
1
88°
57°
2
88°
57°
3
81°
56°
4
80°
56°
5
80°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Petrified Forest National Park
Petrified Forest National Park's August 2026 forecast shows daily high temperatures ranging from 80° to 100°, with overnight lows between 53° and 68°. The average high for August is 87° with an average low of 58°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Petrified Forest National Park. See also: September | October | November.
