S
M
T
W
T
F
S
28
82°
60°
29
81°
59°
30
80°
60°
1
81°
67°
2
85°
67°
3
84°
66°
4
87°
68°
5
87°
65°
6
85°
61°
7
81°
61°
8
83°
66°
9
86°
65°
10
86°
68°
11
85°
68°
12
89°
66°
13
88°
60°
14
81°
59°
15
81°
62°
16
82°
61°
17
83°
61°
18
85°
63°
19
87°
66°
20
88°
67°
21
87°
66°
22
88°
65°
23
88°
67°
24
87°
67°
25
88°
66°
26
87°
67°
27
86°
67°
28
87°
63°
29
87°
67°
30
86°
67°
31
87°
66°
1
86°
67°
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 80° to 89°, with overnight lows between 59° and 68°. The average high for July is 85° with an average low of 65°. 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.