S
M
T
W
T
F
S
26
70°
55°
27
72°
52°
28
70°
45°
29
82°
57°
30
73°
59°
1
66°
55°
2
57°
45°
3
70°
41°
4
79°
45°
5
81°
46°
6
81°
59°
7
77°
55°
8
72°
52°
9
73°
55°
10
86°
61°
11
77°
55°
12
72°
48°
13
79°
48°
14
77°
54°
15
77°
43°
16
86°
50°
17
90°
59°
18
91°
64°
19
91°
61°
20
91°
61°
21
91°
63°
22
86°
68°
23
77°
68°
24
82°
63°
25
79°
69°
26
83°
69°
27
86°
67°
28
86°
66°
29
85°
65°
30
71°
58°
31
74°
59°
1
76°
56°
2
79°
55°
3
79°
57°
4
80°
61°
5
82°
62°
6
83°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Marlboro
Marlboro's May 2026 forecast shows daily high temperatures ranging from 71° to 86°, with overnight lows between 55° and 69°. The average high for May is 80° with an average low of 62°. 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 Marlboro. See also: June | July | August.
