S
M
T
W
T
F
S
26
66°
42°
27
62°
48°
28
63°
45°
29
51°
34°
30
49°
29°
1
47°
26°
2
62°
24°
3
72°
45°
4
78°
36°
5
55°
36°
6
52°
27°
7
57°
28°
8
70°
25°
9
63°
36°
10
61°
27°
11
60°
27°
12
79°
40°
13
64°
39°
14
71°
31°
15
83°
46°
16
86°
56°
17
63°
48°
18
81°
52°
19
N/A
20
62°
40°
21
61°
44°
22
61°
45°
23
65°
47°
24
73°
52°
25
80°
55°
26
82°
56°
27
79°
57°
28
75°
58°
29
78°
56°
30
79°
57°
31
78°
57°
1
74°
51°
2
76°
55°
3
68°
52°
4
69°
52°
5
73°
57°
6
76°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Westfield
Westfield's May 2026 forecast shows daily high temperatures ranging from 61° to 82°, with overnight lows between 40° and 58°. The average high for May is 73° with an average low of 53°. 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.
