S
M
T
W
T
F
S
26
73°
60°
27
77°
60°
28
75°
59°
29
71°
60°
30
76°
60°
31
71°
59°
1
70°
58°
2
75°
60°
3
77°
61°
4
77°
61°
5
76°
60°
6
76°
61°
7
75°
61°
8
76°
60°
9
77°
62°
10
69°
56°
11
69°
52°
12
70°
53°
13
71°
55°
14
70°
54°
15
71°
55°
16
71°
60°
17
76°
60°
18
77°
59°
19
78°
55°
20
77°
53°
21
76°
53°
22
75°
55°
23
70°
59°
24
75°
59°
25
76°
53°
26
76°
55°
27
75°
59°
28
75°
51°
29
70°
54°
30
70°
56°
31
74°
51°
1
73°
51°
2
67°
54°
3
69°
57°
4
73°
55°
5
74°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Roberts Creek
Roberts Creek's August 2026 forecast shows daily high temperatures ranging from 67° to 78°, with overnight lows between 51° and 62°. The average high for August is 74° with an average low of 57°. 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 Roberts Creek. See also: September | October | November.