S
M
T
W
T
F
S
26
89°
41°
27
89°
41°
28
90°
43°
29
92°
45°
30
93°
46°
31
95°
47°
1
95°
46°
2
92°
46°
3
91°
48°
4
68°
52°
5
67°
53°
6
69°
51°
7
64°
53°
8
68°
53°
9
75°
48°
10
72°
48°
11
73°
48°
12
72°
47°
13
73°
48°
14
71°
47°
15
72°
48°
16
74°
47°
17
73°
49°
18
72°
49°
19
71°
48°
20
72°
50°
21
74°
50°
22
74°
49°
23
73°
51°
24
75°
51°
25
75°
50°
26
74°
51°
27
75°
51°
28
75°
50°
29
74°
50°
30
75°
51°
31
75°
52°
1
74°
51°
2
74°
51°
3
75°
50°
4
74°
52°
5
73°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Big Sur
Big Sur's August 2026 forecast shows daily high temperatures ranging from 64° to 75°, with overnight lows between 47° and 53°. The average high for August is 73° with an average low of 50°. 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 Sur. See also: September | October | November.
