S
M
T
W
T
F
S
26
61°
38°
27
67°
37°
28
60°
39°
29
56°
45°
30
52°
43°
1
54°
33°
2
52°
32°
3
55°
36°
4
59°
41°
5
66°
45°
6
62°
46°
7
62°
45°
8
65°
43°
9
62°
45°
10
63°
42°
11
64°
41°
12
64°
44°
13
65°
45°
14
66°
43°
15
64°
41°
16
64°
42°
17
62°
42°
18
63°
43°
19
68°
48°
20
68°
46°
21
66°
43°
22
66°
44°
23
67°
43°
24
66°
46°
25
68°
52°
26
71°
49°
27
68°
46°
28
67°
46°
29
71°
52°
30
77°
53°
31
76°
51°
1
74°
52°
2
77°
56°
3
79°
55°
4
77°
55°
5
78°
50°
6
71°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Marlborough
Marlborough's May 2026 forecast shows daily high temperatures ranging from 52° to 79°, with overnight lows between 32° and 56°. The average high for May is 66° 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 Marlborough. See also: June | July | August.
