S
M
T
W
T
F
S
26
83°
66°
27
83°
60°
28
82°
59°
29
82°
61°
30
86°
65°
31
82°
62°
1
86°
66°
2
86°
65°
3
87°
61°
4
81°
60°
5
82°
61°
6
82°
63°
7
83°
62°
8
81°
60°
9
84°
65°
10
87°
65°
11
82°
64°
12
85°
65°
13
85°
66°
14
84°
66°
15
87°
65°
16
88°
59°
17
82°
60°
18
83°
63°
19
81°
60°
20
81°
57°
21
82°
58°
22
82°
58°
23
87°
60°
24
88°
63°
25
87°
62°
26
87°
57°
27
82°
56°
28
80°
55°
29
80°
56°
30
82°
59°
31
85°
61°
1
86°
62°
2
86°
61°
3
83°
59°
4
85°
61°
5
84°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Westfield
Westfield's August 2026 forecast shows daily high temperatures ranging from 80° to 88°, with overnight lows between 55° and 66°. The average high for August is 84° with an average low of 61°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Westfield. See also: September | October | November.