S
M
T
W
T
F
S
26
61°
44°
27
73°
42°
28
64°
46°
29
66°
50°
30
66°
50°
1
66°
47°
2
63°
52°
3
62°
47°
4
76°
49°
5
86°
61°
6
72°
59°
7
68°
52°
8
71°
50°
9
68°
54°
10
80°
52°
11
63°
54°
12
70°
47°
13
78°
55°
14
67°
54°
15
68°
53°
16
85°
54°
17
89°
67°
18
96°
65°
19
98°
71°
20
95°
69°
21
69°
56°
22
67°
55°
23
57°
50°
24
63°
53°
25
74°
62°
26
79°
66°
27
80°
65°
28
77°
57°
29
76°
53°
30
70°
52°
31
73°
54°
1
75°
58°
2
76°
57°
3
76°
59°
4
79°
62°
5
81°
64°
6
82°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Chelsea
Chelsea's May 2026 forecast shows daily high temperatures ranging from 70° to 82°, with overnight lows between 52° and 66°. The average high for May is 77° with an average low of 59°. 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 Chelsea. See also: June | July | August.
