S
M
T
W
T
F
S
26
60°
36°
27
47°
36°
28
45°
38°
29
44°
38°
30
43°
39°
1
57°
40°
2
56°
38°
3
47°
36°
4
61°
43°
5
70°
52°
6
68°
52°
7
60°
46°
8
59°
39°
9
60°
39°
10
60°
39°
11
61°
45°
12
59°
40°
13
62°
40°
14
61°
43°
15
60°
45°
16
61°
40°
17
68°
44°
18
69°
45°
19
70°
45°
20
70°
44°
21
68°
46°
22
69°
47°
23
69°
46°
24
71°
46°
25
69°
47°
26
70°
47°
27
71°
46°
28
72°
47°
29
70°
46°
30
70°
47°
31
72°
48°
1
67°
49°
2
74°
48°
3
71°
49°
4
73°
49°
5
73°
48°
6
75°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Upper Chelsea
Upper Chelsea's May 2026 forecast shows daily high temperatures ranging from 47° to 75°, with overnight lows between 36° and 52°. The average high for May is 67° with an average low of 45°. 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 Upper Chelsea. See also: June | July | August.
