S
M
T
W
T
F
S
28
82°
60°
29
80°
61°
30
81°
59°
1
81°
67°
2
82°
65°
3
85°
63°
4
81°
61°
5
84°
60°
6
80°
60°
7
80°
64°
8
81°
67°
9
81°
67°
10
82°
64°
11
81°
61°
12
83°
66°
13
86°
67°
14
84°
68°
15
82°
67°
16
85°
68°
17
86°
67°
18
84°
68°
19
88°
68°
20
88°
67°
21
89°
68°
22
89°
68°
23
88°
67°
24
87°
64°
25
87°
61°
26
81°
61°
27
79°
60°
28
80°
61°
29
81°
65°
30
84°
66°
31
88°
67°
1
86°
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 79° to 89°, with overnight lows between 59° and 68°. The average high for July is 84° 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.