S
M
T
W
T
F
S
28
102°
68°
29
99°
68°
30
91°
64°
1
89°
66°
2
93°
68°
3
97°
69°
4
98°
65°
5
90°
66°
6
91°
66°
7
98°
65°
8
96°
66°
9
97°
68°
10
90°
63°
11
93°
67°
12
92°
68°
13
93°
68°
14
93°
68°
15
92°
67°
16
88°
63°
17
84°
62°
18
85°
64°
19
86°
66°
20
89°
68°
21
93°
69°
22
94°
69°
23
94°
68°
24
93°
69°
25
92°
68°
26
93°
69°
27
93°
69°
28
94°
70°
29
94°
70°
30
95°
69°
31
95°
70°
1
94°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Grainfield
Grainfield's July 2026 forecast shows daily high temperatures ranging from 84° to 102°, with overnight lows between 62° and 70°. The average high for July is 93° 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 July weather will actually feel in Grainfield. See also: August | September | October.