S
M
T
W
T
F
S
26
67°
46°
27
64°
42°
28
66°
42°
29
69°
46°
30
66°
42°
1
47°
36°
2
61°
34°
3
67°
42°
4
67°
50°
5
58°
40°
6
60°
38°
7
68°
35°
8
76°
48°
9
79°
57°
10
74°
48°
11
77°
44°
12
84°
56°
13
83°
63°
14
79°
61°
15
80°
55°
16
78°
57°
17
73°
54°
18
67°
40°
19
71°
42°
20
72°
40°
21
72°
41°
22
72°
40°
23
82°
43°
24
84°
44°
25
78°
43°
26
76°
42°
27
79°
43°
28
83°
44°
29
84°
45°
30
82°
43°
31
81°
39°
1
82°
44°
2
82°
44°
3
78°
42°
4
76°
45°
5
81°
45°
6
84°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lagunitas
Lagunitas's May 2026 forecast shows daily high temperatures ranging from 67° to 84°, with overnight lows between 39° and 45°. The average high for May is 78° with an average low of 43°. 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 Lagunitas. See also: June | July | August.
