S
M
T
W
T
F
S
26
89°
78°
27
87°
79°
28
88°
79°
29
89°
78°
30
89°
79°
31
90°
79°
1
90°
78°
2
91°
79°
3
90°
79°
4
89°
78°
5
89°
79°
6
90°
79°
7
90°
78°
8
91°
78°
9
90°
79°
10
92°
79°
11
90°
78°
12
90°
79°
13
89°
78°
14
89°
78°
15
90°
79°
16
88°
78°
17
88°
78°
18
89°
77°
19
89°
78°
20
88°
79°
21
88°
78°
22
89°
77°
23
91°
78°
24
91°
76°
25
90°
76°
26
90°
76°
27
91°
77°
28
90°
76°
29
91°
77°
30
90°
77°
31
92°
78°
1
92°
76°
2
92°
76°
3
91°
77°
4
91°
77°
5
92°
76°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Southland
Southland's August 2026 forecast shows daily high temperatures ranging from 87° to 92°, with overnight lows between 76° and 79°. The average high for August is 90° with an average low of 78°. 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 Southland. See also: September | October | November.