S
M
T
W
T
F
S
26
74°
50°
27
74°
50°
28
74°
50°
29
72°
49°
30
73°
48°
31
75°
50°
1
74°
49°
2
75°
50°
3
74°
50°
4
74°
49°
5
75°
50°
6
75°
50°
7
74°
49°
8
74°
50°
9
73°
50°
10
74°
49°
11
74°
49°
12
73°
48°
13
74°
49°
14
72°
46°
15
70°
49°
16
72°
49°
17
73°
46°
18
73°
46°
19
74°
48°
20
74°
48°
21
70°
50°
22
70°
51°
23
71°
51°
24
73°
50°
25
72°
48°
26
71°
46°
27
69°
45°
28
70°
48°
29
71°
50°
30
72°
50°
31
72°
49°
1
73°
50°
2
74°
50°
3
74°
50°
4
72°
48°
5
70°
46°
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 69° to 75°, with overnight lows between 45° and 51°. The average high for August is 73° with an average low of 49°. 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.
