S
M
T
W
T
F
S
28
81°
61°
29
73°
61°
30
73°
59°
1
68°
58°
2
70°
53°
3
67°
55°
4
81°
54°
5
89°
56°
6
77°
56°
7
72°
51°
8
78°
53°
9
78°
54°
10
83°
57°
11
91°
63°
12
93°
67°
13
93°
65°
14
77°
62°
15
71°
61°
16
77°
60°
17
81°
59°
18
85°
65°
19
88°
62°
20
81°
55°
21
76°
58°
22
79°
60°
23
80°
57°
24
78°
55°
25
78°
54°
26
79°
57°
27
79°
57°
28
78°
58°
29
80°
54°
30
75°
57°
31
79°
60°
1
81°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Griswold
Griswold's July 2026 forecast shows daily high temperatures ranging from 75° to 88°, with overnight lows between 54° and 65°. The average high for July is 80° with an average low of 58°. 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 Griswold. See also: August | September | October.