S
M
T
W
T
F
S
26
51°
41°
27
67°
37°
28
65°
42°
29
65°
48°
30
71°
48°
1
65°
40°
2
58°
47°
3
61°
42°
4
77°
50°
5
84°
62°
6
70°
62°
7
63°
46°
8
70°
42°
9
75°
55°
10
83°
54°
11
62°
46°
12
69°
40°
13
75°
56°
14
63°
54°
15
71°
49°
16
84°
53°
17
87°
62°
18
95°
67°
19
95°
71°
20
95°
65°
21
69°
57°
22
60°
52°
23
62°
57°
24
74°
66°
25
76°
68°
26
76°
68°
27
78°
65°
28
79°
65°
29
75°
63°
30
78°
64°
31
80°
68°
1
85°
62°
2
78°
67°
3
76°
67°
4
78°
66°
5
77°
63°
6
78°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in California
California's May 2026 forecast shows daily high temperatures ranging from 60° to 95°, with overnight lows between 52° and 71°. The average high for May is 77° with an average low of 64°. 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 California. See also: June | July | August.
