S
M
T
W
T
F
S
26
85°
68°
27
87°
66°
28
86°
66°
29
83°
61°
30
86°
56°
31
83°
60°
1
76°
66°
2
75°
62°
3
80°
60°
4
83°
63°
5
85°
66°
6
85°
65°
7
83°
67°
8
84°
66°
9
83°
63°
10
86°
66°
11
82°
62°
12
81°
63°
13
83°
62°
14
84°
63°
15
77°
58°
16
78°
60°
17
87°
68°
18
87°
68°
19
88°
67°
20
86°
66°
21
85°
66°
22
86°
65°
23
87°
67°
24
86°
67°
25
83°
66°
26
85°
66°
27
82°
65°
28
81°
64°
29
84°
65°
30
81°
64°
31
83°
64°
1
85°
63°
2
83°
60°
3
79°
60°
4
80°
62°
5
84°
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 75° to 88°, with overnight lows between 58° and 68°. The average high for August is 83° with an average low of 64°. 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.