S
M
T
W
T
F
S
26
95°
73°
27
95°
75°
28
94°
74°
29
94°
73°
30
95°
74°
31
94°
74°
1
92°
73°
2
88°
73°
3
89°
72°
4
90°
73°
5
90°
73°
6
92°
72°
7
89°
73°
8
89°
73°
9
91°
72°
10
90°
72°
11
89°
71°
12
89°
71°
13
90°
72°
14
93°
70°
15
91°
72°
16
94°
69°
17
90°
71°
18
92°
70°
19
94°
71°
20
94°
67°
21
89°
66°
22
88°
67°
23
88°
66°
24
89°
66°
25
89°
67°
26
90°
66°
27
93°
67°
28
93°
69°
29
94°
70°
30
94°
69°
31
93°
70°
1
93°
69°
2
92°
68°
3
92°
69°
4
91°
65°
5
91°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Zion
Zion's August 2026 forecast shows daily high temperatures ranging from 88° to 95°, with overnight lows between 65° and 75°. The average high for August is 91° with an average low of 70°. 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 Zion. See also: September | October | November.