S
M
T
W
T
F
S
26
84°
61°
27
80°
60°
28
82°
60°
29
80°
59°
30
78°
58°
31
75°
58°
1
75°
57°
2
77°
58°
3
79°
59°
4
75°
58°
5
75°
56°
6
74°
55°
7
76°
58°
8
79°
57°
9
80°
58°
10
79°
58°
11
78°
57°
12
80°
58°
13
81°
58°
14
80°
57°
15
73°
57°
16
73°
56°
17
75°
56°
18
79°
57°
19
80°
56°
20
79°
57°
21
72°
50°
22
71°
48°
23
73°
49°
24
72°
52°
25
72°
47°
26
73°
48°
27
71°
51°
28
71°
51°
29
75°
50°
30
72°
46°
31
73°
51°
1
73°
54°
2
71°
50°
3
75°
52°
4
77°
46°
5
76°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in South Branch
South Branch's August 2026 forecast shows daily high temperatures ranging from 71° to 84°, with overnight lows between 46° and 61°. The average high for August is 76° with an average low of 55°. 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 South Branch. See also: September | October | November.
