S
M
T
W
T
F
S
26
66°
56°
27
67°
57°
28
71°
54°
29
71°
55°
30
70°
58°
1
72°
61°
2
69°
60°
3
68°
60°
4
69°
57°
5
67°
57°
6
71°
56°
7
71°
59°
8
71°
61°
9
72°
62°
10
72°
61°
11
75°
60°
12
69°
59°
13
72°
61°
14
71°
60°
15
70°
62°
16
71°
62°
17
71°
61°
18
71°
61°
19
79°
58°
20
82°
61°
21
72°
62°
22
70°
62°
23
71°
62°
24
70°
61°
25
70°
60°
26
69°
60°
27
68°
59°
28
69°
56°
29
70°
60°
30
73°
59°
31
74°
61°
1
73°
63°
2
73°
62°
3
73°
63°
4
71°
63°
5
71°
64°
6
72°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in South Santa Ana
South Santa Ana's May 2026 forecast shows daily high temperatures ranging from 72° to 72°, with overnight lows between 63° and 63°. The average high for May is 72° with an average low of 63°. 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 South Santa Ana. See also: June | July | August.
