S
M
T
W
T
F
S
26
66°
39°
27
70°
41°
28
59°
45°
29
68°
43°
30
72°
48°
1
63°
46°
2
63°
43°
3
61°
50°
4
64°
52°
5
61°
48°
6
59°
48°
7
63°
46°
8
66°
48°
9
68°
46°
10
59°
39°
11
55°
34°
12
61°
36°
13
57°
45°
14
54°
39°
15
59°
38°
16
56°
47°
17
59°
45°
18
59°
52°
19
64°
51°
20
69°
48°
21
71°
52°
22
73°
54°
23
74°
54°
24
73°
53°
25
72°
52°
26
71°
51°
27
62°
47°
28
63°
44°
29
62°
45°
30
62°
48°
31
63°
50°
1
67°
51°
2
69°
51°
3
70°
52°
4
69°
51°
5
68°
52°
6
66°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Somerton
Somerton's May 2026 forecast shows daily high temperatures ranging from 54° to 74°, with overnight lows between 38° and 54°. The average high for May is 66° with an average low of 49°. 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 Somerton. See also: June | July | August.