S
M
T
W
T
F
S
26
111°
88°
27
109°
91°
28
110°
84°
29
108°
89°
30
111°
79°
31
112°
84°
1
115°
83°
2
114°
85°
3
113°
85°
4
112°
82°
5
112°
82°
6
107°
86°
7
108°
88°
8
112°
88°
9
111°
88°
10
106°
87°
11
100°
82°
12
98°
80°
13
90°
76°
14
97°
71°
15
96°
79°
16
100°
82°
17
104°
86°
18
107°
84°
19
110°
85°
20
108°
87°
21
107°
85°
22
106°
85°
23
107°
84°
24
107°
82°
25
106°
82°
26
104°
81°
27
105°
80°
28
101°
81°
29
95°
72°
30
92°
71°
31
93°
71°
1
93°
70°
2
92°
70°
3
93°
71°
4
93°
71°
5
94°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Summerlin South
Summerlin South's August 2026 forecast shows daily high temperatures ranging from 92° to 110°, with overnight lows between 70° and 87°. The average high for August is 101° with an average low of 79°. 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 Summerlin South. See also: September | October | November.
