S
M
T
W
T
F
S
26
66°
50°
27
69°
49°
28
68°
50°
29
66°
48°
30
73°
50°
1
73°
51°
2
68°
50°
3
70°
51°
4
69°
51°
5
66°
47°
6
68°
46°
7
69°
48°
8
70°
47°
9
69°
48°
10
68°
50°
11
75°
52°
12
75°
51°
13
74°
51°
14
71°
49°
15
73°
49°
16
75°
50°
17
75°
51°
18
70°
51°
19
69°
47°
20
68°
46°
21
70°
47°
22
71°
51°
23
72°
47°
24
71°
45°
25
69°
46°
26
70°
45°
27
71°
49°
28
71°
52°
29
73°
51°
30
75°
51°
31
75°
52°
1
76°
49°
2
74°
50°
3
73°
49°
4
73°
51°
5
74°
55°
6
78°
56°
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 78°, with overnight lows between 45° and 56°. The average high for May is 71° 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.
