S
M
T
W
T
F
S
26
83°
58°
27
82°
58°
28
81°
56°
29
82°
57°
30
82°
62°
1
82°
62°
2
83°
61°
3
82°
61°
4
82°
62°
5
81°
62°
6
81°
61°
7
80°
62°
8
80°
62°
9
79°
61°
10
80°
62°
11
79°
62°
12
78°
61°
13
77°
60°
14
78°
61°
15
80°
61°
16
79°
60°
17
80°
60°
18
80°
59°
19
79°
60°
20
79°
60°
21
78°
59°
22
79°
59°
23
78°
58°
24
77°
59°
25
75°
59°
26
77°
58°
27
76°
58°
28
77°
57°
29
78°
58°
30
80°
58°
31
78°
57°
1
77°
51°
2
79°
51°
3
73°
52°
4
73°
53°
5
74°
52°
6
73°
53°
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 73° to 83°, with overnight lows between 51° and 62°. The average high for May is 79° with an average low of 59°. 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.
