S
M
T
W
T
F
S
28
76°
59°
29
77°
56°
30
78°
60°
1
80°
58°
2
76°
59°
3
75°
56°
4
76°
60°
5
77°
62°
6
82°
64°
7
85°
65°
8
85°
64°
9
82°
64°
10
84°
65°
11
85°
64°
12
84°
63°
13
79°
61°
14
82°
63°
15
81°
63°
16
80°
57°
17
76°
56°
18
76°
59°
19
77°
58°
20
76°
56°
21
76°
56°
22
77°
61°
23
81°
63°
24
84°
64°
25
84°
64°
26
82°
62°
27
78°
59°
28
81°
61°
29
81°
58°
30
78°
56°
31
81°
57°
1
79°
56°
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 75° to 85°, with overnight lows between 56° and 65°. The average high for July is 80° with an average low of 60°. 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.