S
M
T
W
T
F
S
26
85°
60°
27
88°
61°
28
89°
62°
29
84°
60°
30
85°
59°
31
86°
60°
1
85°
59°
2
85°
57°
3
80°
60°
4
82°
59°
5
83°
60°
6
83°
60°
7
82°
59°
8
83°
60°
9
85°
61°
10
85°
59°
11
79°
56°
12
78°
57°
13
80°
55°
14
79°
52°
15
77°
52°
16
77°
53°
17
78°
55°
18
81°
58°
19
80°
56°
20
78°
58°
21
79°
54°
22
77°
52°
23
77°
54°
24
78°
56°
25
76°
51°
26
75°
49°
27
74°
49°
28
74°
50°
29
75°
50°
30
75°
51°
31
76°
51°
1
77°
52°
2
76°
53°
3
79°
51°
4
76°
49°
5
75°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Big Trees
Big Trees's August 2026 forecast shows daily high temperatures ranging from 74° to 89°, with overnight lows between 47° and 62°. The average high for August is 80° 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 Big Trees. See also: September | October | November.