S
M
T
W
T
F
S
26
101°
69°
27
101°
69°
28
102°
68°
29
102°
70°
30
101°
70°
31
102°
69°
1
102°
69°
2
101°
68°
3
102°
69°
4
102°
69°
5
101°
68°
6
102°
69°
7
102°
69°
8
101°
68°
9
103°
69°
10
103°
69°
11
102°
68°
12
101°
68°
13
100°
67°
14
100°
67°
15
99°
66°
16
100°
67°
17
99°
66°
18
99°
66°
19
98°
65°
20
98°
66°
21
99°
65°
22
100°
65°
23
98°
64°
24
99°
60°
25
94°
58°
26
95°
59°
27
96°
58°
28
95°
58°
29
93°
63°
30
94°
62°
31
96°
63°
1
97°
61°
2
92°
57°
3
91°
58°
4
91°
62°
5
94°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Shirley
Shirley's August 2026 forecast shows daily high temperatures ranging from 91° to 103°, with overnight lows between 57° and 70°. The average high for August is 99° with an average low of 65°. 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 Shirley. See also: September | October | November.