S
M
T
W
T
F
S
28
97°
76°
29
98°
76°
30
98°
75°
1
97°
75°
2
91°
74°
3
91°
75°
4
96°
74°
5
94°
72°
6
96°
71°
7
93°
68°
8
92°
71°
9
92°
74°
10
95°
74°
11
96°
72°
12
90°
73°
13
84°
75°
14
85°
71°
15
92°
73°
16
93°
74°
17
95°
75°
18
95°
74°
19
95°
75°
20
97°
75°
21
95°
77°
22
95°
76°
23
96°
75°
24
92°
74°
25
92°
76°
26
91°
75°
27
90°
75°
28
91°
76°
29
92°
74°
30
91°
77°
31
90°
76°
1
90°
76°
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 90° to 97°, with overnight lows between 74° and 77°. The average high for July is 93° with an average low of 75°. 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.