S
M
T
W
T
F
S
26
96°
76°
27
96°
75°
28
97°
72°
29
102°
74°
30
103°
69°
31
94°
69°
1
95°
73°
2
96°
68°
3
96°
68°
4
97°
70°
5
95°
75°
6
100°
72°
7
98°
71°
8
97°
70°
9
98°
71°
10
99°
74°
11
101°
73°
12
99°
76°
13
98°
74°
14
98°
73°
15
95°
67°
16
94°
73°
17
95°
67°
18
93°
67°
19
Hist. Avg.
96°
68°
20
Hist. Avg.
96°
68°
21
Hist. Avg.
96°
68°
22
Hist. Avg.
96°
67°
23
Hist. Avg.
95°
67°
24
Hist. Avg.
95°
67°
25
Hist. Avg.
95°
67°
26
Hist. Avg.
95°
66°
27
Hist. Avg.
94°
66°
28
Hist. Avg.
94°
66°
29
Hist. Avg.
94°
66°
30
Hist. Avg.
94°
65°
31
Hist. Avg.
94°
65°
1
Hist. Avg.
93°
65°
2
Hist. Avg.
93°
64°
3
Hist. Avg.
93°
64°
4
Hist. Avg.
92°
64°
5
Hist. Avg.
92°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Lake Powell
Lake Powell's August 2026 forecast shows daily high temperatures ranging from 93° to 103°, with overnight lows between 67° and 76°. The average high for August is 97° with an average low of 72°. 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 Lake Powell. See also: September | October | November.
