S
M
T
W
T
F
S
26
67°
46°
27
67°
46°
28
58°
42°
29
62°
45°
30
65°
47°
1
66°
47°
2
65°
46°
3
66°
46°
4
62°
45°
5
61°
44°
6
60°
43°
7
56°
45°
8
56°
43°
9
57°
41°
10
56°
47°
11
57°
47°
12
57°
46°
13
59°
45°
14
57°
43°
15
61°
46°
16
63°
46°
17
63°
49°
18
62°
49°
19
63°
48°
20
59°
47°
21
58°
44°
22
59°
50°
23
60°
49°
24
60°
50°
25
61°
50°
26
60°
49°
27
59°
48°
28
62°
51°
29
63°
51°
30
61°
49°
31
64°
51°
1
66°
51°
2
63°
50°
3
61°
47°
4
62°
50°
5
63°
49°
6
62°
51°
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 56° to 67°, with overnight lows between 41° and 51°. The average high for May is 61° with an average low of 47°. 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.
