S
M
T
W
T
F
S
28
98°
63°
29
94°
57°
30
92°
57°
1
94°
58°
2
95°
59°
3
97°
63°
4
98°
64°
5
98°
66°
6
97°
66°
7
98°
65°
8
98°
67°
9
99°
68°
10
100°
70°
11
100°
67°
12
101°
68°
13
99°
69°
14
97°
68°
15
99°
68°
16
99°
67°
17
101°
68°
18
100°
69°
19
102°
68°
20
103°
65°
21
102°
64°
22
98°
65°
23
98°
67°
24
99°
68°
25
100°
68°
26
101°
67°
27
102°
66°
28
102°
64°
29
100°
65°
30
101°
64°
31
100°
61°
1
97°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Onyx
Onyx's July 2026 forecast shows daily high temperatures ranging from 92° to 103°, with overnight lows between 57° and 70°. The average high for July is 99° with an average low of 65°. 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 Onyx. See also: August | September | October.
