S
M
T
W
T
F
S
28
81°
57°
29
84°
57°
30
86°
64°
1
91°
72°
2
93°
68°
3
94°
69°
4
86°
66°
5
78°
67°
6
74°
63°
7
76°
60°
8
80°
59°
9
84°
61°
10
83°
60°
11
81°
59°
12
78°
57°
13
77°
56°
14
78°
58°
15
79°
59°
16
80°
55°
17
74°
53°
18
75°
52°
19
79°
58°
20
81°
59°
21
75°
59°
22
78°
58°
23
80°
59°
24
78°
58°
25
77°
56°
26
80°
58°
27
82°
58°
28
82°
59°
29
81°
59°
30
82°
60°
31
81°
59°
1
80°
58°
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 74° to 94°, with overnight lows between 52° and 69°. The average high for July is 80° with an average low of 59°. 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.