S
M
T
W
T
F
S
26
100°
78°
27
100°
78°
28
99°
77°
29
100°
78°
30
100°
78°
31
101°
77°
1
100°
78°
2
101°
78°
3
101°
77°
4
100°
79°
5
101°
79°
6
100°
78°
7
100°
79°
8
99°
77°
9
100°
78°
10
100°
78°
11
99°
77°
12
99°
78°
13
100°
77°
14
100°
77°
15
97°
76°
16
96°
75°
17
98°
76°
18
98°
77°
19
97°
77°
20
99°
76°
21
99°
76°
22
98°
77°
23
97°
76°
24
98°
74°
25
98°
75°
26
96°
73°
27
97°
71°
28
95°
68°
29
90°
67°
30
90°
69°
31
91°
71°
1
89°
69°
2
89°
65°
3
90°
63°
4
86°
64°
5
88°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Annetta South
Annetta South's August 2026 forecast shows daily high temperatures ranging from 86° to 101°, with overnight lows between 63° and 79°. The average high for August is 97° with an average low of 75°. 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 Annetta South. See also: September | October | November.