S
M
T
W
T
F
S
26
70°
48°
27
82°
41°
28
72°
50°
29
66°
50°
30
54°
37°
1
64°
34°
2
52°
34°
3
59°
30°
4
72°
46°
5
77°
59°
6
63°
48°
7
63°
43°
8
68°
34°
9
70°
52°
10
72°
52°
11
68°
43°
12
73°
37°
13
72°
48°
14
50°
41°
15
70°
37°
16
77°
46°
17
88°
59°
18
93°
64°
19
91°
68°
20
86°
61°
21
61°
55°
22
63°
55°
23
81°
55°
24
81°
57°
25
81°
64°
26
77°
63°
27
75°
58°
28
78°
51°
29
79°
56°
30
76°
49°
31
75°
46°
1
75°
50°
2
74°
49°
3
77°
55°
4
76°
54°
5
82°
59°
6
84°
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 74° to 84°, with overnight lows between 46° and 63°. The average high for May is 77° with an average low of 54°. 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.
