S
M
T
W
T
F
S
26
89°
73°
27
91°
74°
28
92°
73°
29
87°
73°
30
88°
72°
31
92°
74°
1
91°
73°
2
92°
74°
3
92°
75°
4
93°
74°
5
92°
74°
6
89°
73°
7
90°
73°
8
88°
72°
9
86°
69°
10
85°
68°
11
85°
68°
12
86°
72°
13
88°
72°
14
86°
71°
15
89°
72°
16
87°
71°
17
90°
69°
18
89°
67°
19
88°
70°
20
87°
71°
21
91°
72°
22
90°
71°
23
91°
71°
24
90°
70°
25
90°
68°
26
85°
67°
27
85°
69°
28
86°
69°
29
83°
68°
30
83°
65°
31
84°
67°
1
88°
69°
2
89°
69°
3
88°
68°
4
87°
64°
5
83°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Sun
Sun's August 2026 forecast shows daily high temperatures ranging from 83° to 93°, with overnight lows between 63° and 75°. The average high for August is 88° 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 Sun. See also: September | October | November.
