S
M
T
W
T
F
S
28
72°
58°
29
77°
56°
30
71°
53°
1
73°
55°
2
76°
55°
3
73°
57°
4
70°
53°
5
69°
54°
6
75°
52°
7
82°
57°
8
77°
48°
9
70°
52°
10
75°
51°
11
73°
49°
12
70°
50°
13
74°
52°
14
77°
55°
15
80°
53°
16
76°
54°
17
77°
56°
18
78°
54°
19
74°
53°
20
78°
58°
21
77°
57°
22
75°
57°
23
77°
59°
24
78°
59°
25
78°
58°
26
79°
59°
27
76°
58°
28
76°
58°
29
75°
57°
30
70°
56°
31
72°
57°
1
76°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Larkspur
Larkspur's July 2026 forecast shows daily high temperatures ranging from 70° to 82°, with overnight lows between 48° and 59°. The average high for July is 76° 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 July weather will actually feel in Larkspur. See also: August | September | October.