S
M
T
W
T
F
S
26
84°
61°
27
84°
62°
28
76°
62°
29
81°
60°
30
67°
53°
1
68°
46°
2
69°
49°
3
69°
40°
4
80°
55°
5
77°
65°
6
74°
58°
7
68°
48°
8
71°
47°
9
78°
54°
10
76°
60°
11
71°
47°
12
68°
45°
13
78°
56°
14
77°
56°
15
78°
54°
16
80°
57°
17
78°
56°
18
78°
60°
19
81°
61°
20
77°
61°
21
77°
56°
22
76°
54°
23
74°
53°
24
75°
54°
25
76°
57°
26
76°
54°
27
75°
55°
28
77°
56°
29
78°
58°
30
81°
63°
31
80°
64°
1
80°
64°
2
79°
63°
3
80°
60°
4
80°
60°
5
82°
65°
6
84°
66°
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 68° to 84°, with overnight lows between 45° and 66°. The average high for May is 77° 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.
