S
M
T
W
T
F
S
26
93°
69°
27
93°
69°
28
94°
70°
29
94°
70°
30
95°
69°
31
95°
70°
1
94°
70°
2
95°
68°
3
92°
68°
4
91°
69°
5
94°
70°
6
93°
69°
7
91°
68°
8
92°
68°
9
93°
66°
10
90°
68°
11
92°
66°
12
94°
65°
13
91°
66°
14
93°
68°
15
94°
66°
16
95°
65°
17
93°
57°
18
88°
55°
19
81°
55°
20
82°
56°
21
82°
56°
22
83°
57°
23
82°
59°
24
86°
61°
25
89°
63°
26
89°
59°
27
88°
56°
28
81°
62°
29
88°
63°
30
90°
63°
31
91°
56°
1
90°
58°
2
79°
61°
3
88°
62°
4
87°
60°
5
88°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Grainfield
Grainfield's August 2026 forecast shows daily high temperatures ranging from 79° to 95°, with overnight lows between 52° and 70°. The average high for August is 90° 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 Grainfield. See also: September | October | November.
