S
M
T
W
T
F
S
26
79°
53°
27
83°
56°
28
79°
56°
29
79°
54°
30
78°
53°
31
79°
52°
1
79°
54°
2
83°
54°
3
79°
55°
4
78°
53°
5
78°
53°
6
79°
54°
7
80°
55°
8
82°
54°
9
80°
55°
10
82°
56°
11
83°
57°
12
82°
57°
13
79°
56°
14
79°
57°
15
82°
57°
16
84°
56°
17
84°
57°
18
83°
57°
19
84°
56°
20
83°
57°
21
83°
57°
22
82°
56°
23
80°
55°
24
84°
54°
25
84°
55°
26
85°
54°
27
84°
55°
28
87°
57°
29
86°
56°
30
87°
56°
31
86°
55°
1
86°
56°
2
85°
57°
3
86°
57°
4
86°
55°
5
85°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Larkspur
Larkspur's August 2026 forecast shows daily high temperatures ranging from 78° to 87°, with overnight lows between 52° and 57°. The average high for August is 82° 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 Larkspur. See also: September | October | November.
