S
M
T
W
T
F
S
26
68°
56°
27
66°
56°
28
65°
55°
29
66°
57°
30
67°
57°
31
66°
55°
1
64°
53°
2
64°
55°
3
64°
55°
4
64°
54°
5
65°
55°
6
65°
56°
7
66°
56°
8
65°
55°
9
67°
56°
10
66°
53°
11
66°
49°
12
65°
51°
13
63°
52°
14
64°
52°
15
65°
51°
16
64°
54°
17
64°
55°
18
67°
56°
19
68°
57°
20
68°
53°
21
68°
51°
22
66°
49°
23
63°
51°
24
64°
53°
25
65°
48°
26
67°
51°
27
61°
55°
28
66°
54°
29
66°
54°
30
67°
53°
31
67°
52°
1
66°
48°
2
65°
47°
3
64°
46°
4
60°
53°
5
65°
49°
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 60° to 68°, with overnight lows between 46° and 57°. The average high for August is 65° with an average low of 53°. 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.
