S
M
T
W
T
F
S
26
98°
74°
27
98°
76°
28
97°
76°
29
97°
76°
30
93°
75°
31
93°
75°
1
88°
75°
2
91°
72°
3
91°
73°
4
93°
74°
5
92°
72°
6
94°
73°
7
92°
72°
8
90°
73°
9
93°
72°
10
92°
74°
11
88°
73°
12
89°
74°
13
90°
74°
14
91°
73°
15
91°
74°
16
92°
74°
17
91°
73°
18
90°
74°
19
90°
74°
20
91°
73°
21
88°
72°
22
89°
73°
23
90°
74°
24
92°
74°
25
93°
73°
26
93°
74°
27
92°
74°
28
91°
73°
29
89°
73°
30
91°
72°
31
91°
73°
1
92°
73°
2
92°
72°
3
91°
73°
4
92°
73°
5
91°
72°
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 88° to 97°, with overnight lows between 72° and 76°. The average high for August is 91° with an average low of 73°. 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.
