S
M
T
W
T
F
S
26
67°
52°
27
68°
53°
28
69°
46°
29
71°
46°
30
69°
48°
1
71°
51°
2
67°
55°
3
66°
58°
4
68°
53°
5
68°
52°
6
70°
49°
7
72°
51°
8
69°
54°
9
69°
55°
10
69°
55°
11
71°
56°
12
66°
55°
13
69°
57°
14
69°
51°
15
67°
51°
16
70°
53°
17
69°
50°
18
80°
50°
19
80°
48°
20
82°
51°
21
72°
54°
22
69°
55°
23
69°
56°
24
69°
53°
25
70°
50°
26
67°
50°
27
68°
50°
28
67°
46°
29
72°
50°
30
76°
51°
31
83°
51°
1
87°
53°
2
83°
56°
3
84°
58°
4
85°
56°
5
81°
57°
6
80°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Somis
Somis's May 2026 forecast shows daily high temperatures ranging from 67° to 87°, with overnight lows between 46° and 58°. The average high for May is 78° with an average low of 53°. 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 Somis. See also: June | July | August.