S
M
T
W
T
F
S
26
88°
64°
27
89°
66°
28
89°
65°
29
90°
64°
30
88°
68°
1
90°
70°
2
87°
68°
3
79°
62°
4
84°
62°
5
87°
66°
6
95°
70°
7
94°
70°
8
92°
72°
9
90°
69°
10
86°
66°
11
89°
69°
12
88°
68°
13
89°
69°
14
88°
68°
15
89°
68°
16
88°
70°
17
87°
67°
18
85°
69°
19
88°
69°
20
89°
70°
21
86°
70°
22
84°
66°
23
84°
65°
24
85°
68°
25
85°
70°
26
87°
71°
27
85°
71°
28
85°
70°
29
86°
71°
30
86°
71°
31
85°
72°
1
85°
72°
2
86°
71°
3
85°
72°
4
86°
72°
5
86°
71°
6
87°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Somerset
Somerset's May 2026 forecast shows daily high temperatures ranging from 84° to 95°, with overnight lows between 62° and 72°. The average high for May is 87° with an average low of 69°. 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 Somerset. See also: June | July | August.