S
M
T
W
T
F
S
26
69°
48°
27
67°
53°
28
60°
52°
29
61°
43°
30
58°
37°
1
51°
38°
2
52°
36°
3
62°
37°
4
74°
45°
5
57°
45°
6
57°
40°
7
60°
46°
8
64°
49°
9
71°
55°
10
63°
43°
11
59°
40°
12
61°
51°
13
66°
52°
14
71°
51°
15
72°
50°
16
68°
53°
17
67°
51°
18
69°
53°
19
71°
52°
20
66°
47°
21
67°
48°
22
66°
49°
23
69°
50°
24
69°
52°
25
70°
51°
26
70°
50°
27
72°
51°
28
71°
51°
29
75°
56°
30
77°
57°
31
79°
58°
1
78°
59°
2
76°
57°
3
80°
61°
4
81°
62°
5
81°
63°
6
80°
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 57° to 81°, with overnight lows between 40° and 63°. The average high for May is 70° 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.
