S
M
T
W
T
F
S
26
66°
41°
27
63°
45°
28
57°
39°
29
63°
36°
30
72°
39°
1
64°
45°
2
61°
41°
3
57°
48°
4
55°
46°
5
52°
41°
6
55°
43°
7
57°
43°
8
61°
43°
9
61°
46°
10
55°
39°
11
52°
36°
12
59°
34°
13
54°
43°
14
55°
41°
15
54°
39°
16
55°
39°
17
59°
43°
18
57°
45°
19
63°
50°
20
63°
52°
21
70°
55°
22
77°
55°
23
75°
45°
24
80°
54°
25
88°
57°
26
85°
54°
27
78°
50°
28
78°
57°
29
74°
54°
30
74°
52°
31
68°
50°
1
67°
50°
2
67°
49°
3
65°
49°
4
66°
50°
5
63°
48°
6
63°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Leominster
Leominster's May 2026 forecast shows daily high temperatures ranging from 63° to 88°, with overnight lows between 45° and 57°. The average high for May is 73° with an average low of 51°. 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 Leominster. See also: June | July | August.
