S
M
T
W
T
F
S
26
63°
48°
27
68°
41°
28
73°
37°
29
77°
41°
30
73°
52°
1
75°
52°
2
73°
52°
3
64°
50°
4
68°
41°
5
70°
48°
6
75°
52°
7
79°
50°
8
75°
52°
9
79°
50°
10
84°
50°
11
91°
50°
12
73°
48°
13
73°
49°
14
75°
48°
15
76°
47°
16
72°
47°
17
73°
45°
18
78°
47°
19
79°
46°
20
76°
49°
21
76°
50°
22
77°
48°
23
78°
47°
24
77°
47°
25
76°
46°
26
80°
45°
27
74°
44°
28
75°
43°
29
76°
44°
30
78°
47°
31
82°
49°
1
83°
49°
2
84°
50°
3
84°
49°
4
80°
46°
5
79°
49°
6
82°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Santa Ynez
Santa Ynez's May 2026 forecast shows daily high temperatures ranging from 72° to 84°, with overnight lows between 43° and 50°. The average high for May is 78° with an average low of 47°. 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 Ynez. See also: June | July | August.
