S
M
T
W
T
F
S
26
73°
45°
27
75°
45°
28
77°
46°
29
81°
50°
30
79°
57°
1
77°
52°
2
75°
51°
3
76°
56°
4
72°
62°
5
71°
57°
6
69°
51°
7
72°
54°
8
75°
55°
9
79°
56°
10
74°
57°
11
77°
55°
12
75°
55°
13
74°
54°
14
75°
55°
15
68°
57°
16
72°
57°
17
71°
56°
18
69°
54°
19
68°
53°
20
69°
55°
21
69°
56°
22
70°
55°
23
71°
59°
24
71°
59°
25
72°
58°
26
71°
59°
27
71°
59°
28
72°
58°
29
73°
60°
30
75°
60°
31
77°
61°
1
75°
61°
2
76°
60°
3
77°
62°
4
79°
62°
5
76°
61°
6
78°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in La Lacuna
La Lacuna's May 2026 forecast shows daily high temperatures ranging from 68° to 79°, with overnight lows between 51° and 62°. The average high for May is 73° 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 May weather will actually feel in La Lacuna. See also: June | July | August.