S
M
T
W
T
F
S
26
91°
71°
27
90°
71°
28
91°
71°
29
91°
71°
30
88°
68°
1
76°
74°
2
94°
72°
3
94°
72°
4
88°
73°
5
91°
72°
6
89°
71°
7
93°
74°
8
93°
74°
9
94°
76°
10
90°
76°
11
93°
76°
12
90°
75°
13
91°
73°
14
90°
72°
15
88°
71°
16
93°
72°
17
90°
77°
18
87°
76°
19
85°
75°
20
86°
72°
21
87°
71°
22
90°
71°
23
88°
77°
24
88°
74°
25
88°
74°
26
89°
77°
27
88°
76°
28
88°
76°
29
88°
74°
30
93°
75°
31
94°
73°
1
95°
73°
2
96°
73°
3
95°
70°
4
91°
72°
5
88°
71°
6
92°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Santa Margarita
Santa Margarita's May 2026 forecast shows daily high temperatures ranging from 88° to 96°, with overnight lows between 70° and 73°. The average high for May is 93° with an average low of 72°. 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 Margarita. See also: June | July | August.
