S
M
T
W
T
F
S
26
71°
59°
27
71°
59°
28
70°
58°
29
72°
59°
30
71°
59°
31
69°
58°
1
69°
56°
2
66°
58°
3
67°
58°
4
68°
59°
5
69°
58°
6
68°
59°
7
67°
55°
8
66°
53°
9
66°
53°
10
67°
57°
11
66°
54°
12
66°
53°
13
67°
53°
14
65°
57°
15
65°
53°
16
66°
54°
17
65°
53°
18
65°
55°
19
67°
53°
20
66°
52°
21
64°
56°
22
65°
52°
23
64°
51°
24
65°
51°
25
64°
52°
26
64°
51°
27
65°
54°
28
66°
54°
29
67°
56°
30
67°
56°
31
66°
55°
1
67°
56°
2
67°
54°
3
65°
51°
4
66°
53°
5
66°
55°
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 64° to 72°, with overnight lows between 51° and 59°. The average high for August is 67° with an average low of 55°. 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.