S
M
T
W
T
F
S
26
64°
47°
27
68°
46°
28
63°
43°
29
68°
45°
30
62°
42°
1
63°
48°
2
63°
52°
3
74°
49°
4
64°
44°
5
62°
44°
6
64°
45°
7
70°
49°
8
70°
45°
9
65°
46°
10
64°
45°
11
65°
46°
12
69°
57°
13
77°
58°
14
78°
58°
15
77°
52°
16
68°
49°
17
70°
55°
18
76°
59°
19
79°
60°
20
76°
56°
21
70°
51°
22
73°
56°
23
72°
51°
24
72°
54°
25
74°
56°
26
80°
60°
27
82°
60°
28
81°
61°
29
84°
59°
30
80°
58°
31
81°
55°
1
79°
53°
2
75°
53°
3
76°
54°
4
75°
55°
5
76°
56°
6
76°
63°
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 62° to 84°, with overnight lows between 42° and 63°. The average high for May is 72° with an average low of 52°. 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.
