S
M
T
W
T
F
S
26
89°
54°
27
89°
55°
28
88°
55°
29
89°
54°
30
89°
55°
31
88°
55°
1
87°
54°
2
88°
55°
3
88°
55°
4
87°
54°
5
88°
54°
6
86°
53°
7
88°
54°
8
88°
55°
9
87°
54°
10
88°
54°
11
84°
52°
12
82°
51°
13
82°
52°
14
83°
52°
15
83°
53°
16
85°
52°
17
84°
49°
18
84°
47°
19
86°
49°
20
85°
50°
21
86°
49°
22
87°
52°
23
85°
50°
24
84°
49°
25
85°
49°
26
84°
48°
27
85°
48°
28
85°
49°
29
84°
47°
30
85°
48°
31
88°
47°
1
87°
47°
2
85°
46°
3
84°
46°
4
84°
47°
5
85°
49°
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 82° to 89°, with overnight lows between 46° and 55°. The average high for August is 86° with an average low of 51°. 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.