S
M
T
W
T
F
S
26
63°
41°
27
61°
43°
28
55°
37°
29
59°
37°
30
54°
39°
1
55°
34°
2
70°
28°
3
73°
46°
4
70°
46°
5
55°
36°
6
59°
28°
7
66°
37°
8
79°
37°
9
68°
41°
10
70°
32°
11
84°
34°
12
79°
55°
13
79°
41°
14
81°
54°
15
91°
52°
16
82°
48°
17
81°
59°
18
58°
48°
19
54°
41°
20
60°
37°
21
66°
48°
22
70°
49°
23
75°
47°
24
83°
51°
25
90°
64°
26
90°
64°
27
92°
64°
28
90°
64°
29
81°
67°
30
77°
64°
31
80°
62°
1
83°
61°
2
84°
60°
3
81°
62°
4
77°
61°
5
83°
60°
6
82°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Westfield
Westfield's May 2026 forecast shows daily high temperatures ranging from 77° to 84°, with overnight lows between 60° and 64°. The average high for May is 81° 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 Westfield. See also: June | July | August.
