S
M
T
W
T
F
S
26
67°
47°
27
70°
48°
28
68°
49°
29
71°
51°
30
72°
51°
1
73°
49°
2
72°
50°
3
72°
49°
4
71°
50°
5
66°
46°
6
66°
48°
7
67°
50°
8
67°
49°
9
66°
45°
10
67°
45°
11
67°
46°
12
68°
46°
13
68°
49°
14
67°
46°
15
67°
47°
16
66°
47°
17
68°
46°
18
68°
48°
19
69°
53°
20
69°
53°
21
70°
52°
22
68°
49°
23
69°
48°
24
70°
49°
25
72°
50°
26
74°
53°
27
72°
53°
28
71°
54°
29
71°
54°
30
73°
53°
31
77°
53°
1
74°
54°
2
77°
54°
3
80°
55°
4
79°
53°
5
76°
51°
6
74°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Larkspur
Larkspur's May 2026 forecast shows daily high temperatures ranging from 66° to 80°, with overnight lows between 45° and 55°. The average high for May is 70° 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 May weather will actually feel in Larkspur. See also: June | July | August.
