S
M
T
W
T
F
S
26
61°
50°
27
61°
44°
28
64°
41°
29
69°
46°
30
68°
53°
1
63°
51°
2
57°
52°
3
63°
49°
4
78°
51°
5
83°
59°
6
79°
62°
7
72°
50°
8
64°
47°
9
78°
51°
10
80°
59°
11
68°
45°
12
70°
45°
13
74°
48°
14
67°
57°
15
70°
50°
16
83°
50°
17
86°
65°
18
83°
68°
19
86°
66°
20
87°
67°
21
73°
62°
22
70°
64°
23
76°
66°
24
76°
68°
25
74°
64°
26
78°
65°
27
75°
63°
28
77°
64°
29
76°
62°
30
77°
63°
31
78°
61°
1
81°
65°
2
76°
64°
3
76°
65°
4
78°
65°
5
77°
64°
6
77°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Bay Colony
Bay Colony's May 2026 forecast shows daily high temperatures ranging from 70° to 87°, with overnight lows between 61° and 68°. The average high for May is 78° with an average low of 65°. 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 Bay Colony. See also: June | July | August.
