S
M
T
W
T
F
S
26
59°
52°
27
58°
50°
28
58°
50°
29
59°
51°
30
59°
50°
1
60°
50°
2
63°
53°
3
64°
54°
4
59°
51°
5
59°
51°
6
60°
52°
7
59°
51°
8
60°
51°
9
60°
52°
10
63°
53°
11
63°
53°
12
64°
52°
13
60°
51°
14
59°
52°
15
59°
52°
16
62°
53°
17
67°
58°
18
67°
59°
19
66°
60°
20
67°
59°
21
66°
59°
22
63°
59°
23
66°
58°
24
67°
57°
25
64°
59°
26
67°
60°
27
68°
59°
28
68°
59°
29
68°
58°
30
68°
58°
31
67°
57°
1
67°
59°
2
68°
57°
3
68°
57°
4
63°
55°
5
61°
54°
6
61°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Santa Monica
Santa Monica's May 2026 forecast shows daily high temperatures ranging from 58° to 68°, with overnight lows between 50° and 60°. The average high for May is 63° with an average low of 55°. 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 Santa Monica. See also: June | July | August.
