S
M
T
W
T
F
S
28
89°
71°
29
90°
74°
30
91°
73°
1
93°
74°
2
93°
73°
3
88°
72°
4
88°
71°
5
89°
69°
6
87°
68°
7
86°
67°
8
84°
66°
9
85°
68°
10
82°
67°
11
84°
66°
12
84°
67°
13
85°
66°
14
81°
62°
15
81°
63°
16
82°
63°
17
83°
67°
18
86°
69°
19
87°
66°
20
82°
67°
21
85°
69°
22
85°
70°
23
88°
70°
24
89°
69°
25
86°
69°
26
87°
70°
27
87°
70°
28
88°
69°
29
89°
69°
30
88°
64°
31
82°
62°
1
81°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Westfield
Westfield's July 2026 forecast shows daily high temperatures ranging from 81° to 93°, with overnight lows between 62° and 74°. The average high for July is 86° with an average low of 68°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Westfield. See also: August | September | October.