S
M
T
W
T
F
S
26
62°
41°
27
69°
41°
28
65°
40°
29
62°
43°
30
54°
44°
1
63°
43°
2
54°
46°
3
54°
38°
4
71°
49°
5
79°
55°
6
68°
54°
7
66°
39°
8
58°
42°
9
58°
44°
10
65°
49°
11
63°
44°
12
59°
41°
13
61°
46°
14
63°
47°
15
60°
46°
16
65°
48°
17
66°
46°
18
72°
51°
19
71°
50°
20
69°
51°
21
68°
51°
22
70°
50°
23
65°
45°
24
63°
46°
25
65°
46°
26
66°
52°
27
66°
48°
28
67°
48°
29
66°
46°
30
66°
48°
31
68°
54°
1
71°
53°
2
70°
49°
3
68°
54°
4
73°
55°
5
71°
54°
6
70°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Hopkinton
Hopkinton's May 2026 forecast shows daily high temperatures ranging from 58° to 79°, with overnight lows between 39° and 56°. The average high for May is 67° with an average low of 49°. 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 Hopkinton. See also: June | July | August.
