S
M
T
W
T
F
S
26
85°
71°
27
86°
70°
28
85°
71°
29
86°
71°
30
87°
72°
31
88°
72°
1
87°
71°
2
85°
70°
3
82°
69°
4
80°
70°
5
80°
68°
6
80°
68°
7
81°
70°
8
82°
70°
9
84°
71°
10
86°
71°
11
86°
70°
12
82°
70°
13
84°
71°
14
86°
70°
15
82°
70°
16
81°
68°
17
84°
69°
18
86°
70°
19
85°
69°
20
86°
64°
21
85°
62°
22
80°
62°
23
79°
63°
24
80°
64°
25
80°
63°
26
81°
68°
27
82°
63°
28
82°
63°
29
79°
64°
30
79°
61°
31
78°
61°
1
77°
62°
2
78°
63°
3
77°
66°
4
78°
62°
5
80°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Greenfield
Greenfield's August 2026 forecast shows daily high temperatures ranging from 77° to 88°, with overnight lows between 61° and 72°. The average high for August is 82° with an average low of 67°. 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 Greenfield. See also: September | October | November.