S
M
T
W
T
F
S
26
57°
46°
27
70°
40°
28
60°
48°
29
61°
56°
30
69°
47°
1
69°
42°
2
62°
49°
3
65°
41°
4
76°
43°
5
83°
51°
6
73°
60°
7
63°
46°
8
72°
38°
9
77°
52°
10
85°
52°
11
60°
44°
12
74°
37°
13
75°
50°
14
63°
47°
15
75°
45°
16
84°
46°
17
91°
64°
18
95°
61°
19
96°
68°
20
96°
65°
21
70°
55°
22
61°
50°
23
59°
53°
24
71°
61°
25
73°
65°
26
70°
65°
27
74°
64°
28
72°
63°
29
72°
61°
30
76°
64°
31
75°
65°
1
78°
64°
2
77°
60°
3
78°
62°
4
80°
64°
5
81°
65°
6
82°
65°
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 59° to 96°, with overnight lows between 50° and 65°. The average high for May is 75° 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.
