S
M
T
W
T
F
S
28
86°
64°
29
95°
77°
30
95°
79°
1
95°
79°
2
97°
79°
3
93°
70°
4
88°
70°
5
73°
68°
6
77°
70°
7
82°
68°
8
91°
66°
9
90°
72°
10
81°
72°
11
81°
72°
12
84°
68°
13
91°
66°
14
97°
70°
15
95°
75°
16
90°
75°
17
97°
77°
18
93°
73°
19
79°
68°
20
82°
63°
21
88°
68°
22
73°
59°
23
79°
55°
24
82°
59°
25
81°
63°
26
90°
72°
27
92°
71°
28
79°
64°
29
81°
61°
30
83°
63°
31
82°
66°
1
81°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Griffith
Griffith's July 2026 forecast shows daily high temperatures ranging from 79° to 92°, with overnight lows between 61° and 72°. The average high for July is 84° with an average low of 66°. 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 Griffith. See also: August | September | October.