S
M
T
W
T
F
S
26
57°
42°
27
68°
45°
28
65°
49°
29
62°
48°
30
60°
47°
1
64°
46°
2
61°
49°
3
59°
45°
4
72°
50°
5
81°
59°
6
71°
55°
7
64°
49°
8
62°
52°
9
63°
52°
10
76°
50°
11
58°
46°
12
62°
48°
13
61°
52°
14
62°
51°
15
63°
55°
16
71°
57°
17
72°
58°
18
74°
60°
19
76°
62°
20
78°
62°
21
76°
56°
22
67°
52°
23
68°
53°
24
68°
54°
25
72°
59°
26
76°
60°
27
71°
58°
28
73°
57°
29
70°
54°
30
74°
60°
31
78°
63°
1
77°
63°
2
76°
60°
3
76°
61°
4
79°
64°
5
80°
64°
6
79°
65°
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 58° to 80°, with overnight lows between 46° and 65°. The average high for May is 71° with an average low of 57°. 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.
