S
M
T
W
T
F
S
28
93°
77°
29
94°
77°
30
95°
77°
1
93°
76°
2
94°
77°
3
93°
75°
4
95°
76°
5
94°
77°
6
89°
73°
7
89°
73°
8
90°
74°
9
90°
76°
10
91°
77°
11
91°
77°
12
92°
76°
13
91°
77°
14
91°
77°
15
92°
76°
16
93°
77°
17
94°
76°
18
93°
77°
19
95°
78°
20
94°
77°
21
92°
78°
22
92°
78°
23
96°
77°
24
96°
78°
25
95°
78°
26
96°
77°
27
96°
78°
28
95°
78°
29
96°
77°
30
96°
78°
31
95°
78°
1
96°
77°
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 89° to 96°, with overnight lows between 73° and 78°. The average high for July is 93° with an average low of 77°. 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.