S
M
T
W
T
F
S
26
61°
38°
27
67°
32°
28
62°
34°
29
59°
45°
30
54°
45°
1
63°
43°
2
59°
40°
3
58°
39°
4
67°
47°
5
79°
57°
6
67°
51°
7
62°
38°
8
60°
35°
9
61°
40°
10
62°
41°
11
65°
42°
12
61°
44°
13
64°
47°
14
66°
44°
15
65°
46°
16
73°
50°
17
72°
49°
18
73°
51°
19
73°
50°
20
69°
50°
21
69°
49°
22
70°
51°
23
67°
48°
24
65°
46°
25
67°
47°
26
67°
52°
27
68°
49°
28
68°
48°
29
67°
46°
30
68°
49°
31
69°
53°
1
71°
51°
2
70°
48°
3
70°
54°
4
75°
55°
5
71°
54°
6
71°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Westford
Westford's May 2026 forecast shows daily high temperatures ranging from 58° to 79°, with overnight lows between 35° and 57°. The average high for May is 67° with an average low of 48°. 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 Westford. See also: June | July | August.
