S
M
T
W
T
F
S
26
82°
59°
27
83°
59°
28
82°
58°
29
82°
59°
30
79°
58°
31
75°
57°
1
75°
57°
2
76°
58°
3
75°
57°
4
76°
58°
5
76°
56°
6
75°
54°
7
75°
54°
8
76°
55°
9
76°
58°
10
74°
58°
11
75°
57°
12
75°
57°
13
76°
56°
14
75°
57°
15
74°
54°
16
74°
51°
17
73°
52°
18
74°
52°
19
74°
53°
20
77°
57°
21
76°
49°
22
72°
47°
23
71°
47°
24
73°
52°
25
74°
54°
26
79°
53°
27
77°
55°
28
74°
56°
29
82°
55°
30
82°
47°
31
72°
46°
1
72°
53°
2
75°
53°
3
72°
46°
4
75°
54°
5
80°
48°
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 71° to 83°, with overnight lows between 46° and 59°. The average high for August is 76° with an average low of 54°. 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.