S
M
T
W
T
F
S
28
85°
59°
29
89°
64°
30
93°
76°
1
99°
76°
2
96°
70°
3
94°
69°
4
86°
62°
5
82°
63°
6
80°
62°
7
81°
61°
8
85°
62°
9
84°
63°
10
86°
59°
11
76°
62°
12
77°
61°
13
77°
56°
14
74°
55°
15
75°
55°
16
76°
56°
17
76°
58°
18
77°
59°
19
78°
62°
20
81°
62°
21
81°
63°
22
84°
63°
23
82°
62°
24
83°
63°
25
84°
63°
26
85°
64°
27
85°
64°
28
84°
63°
29
84°
63°
30
83°
59°
31
76°
56°
1
76°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Knox
Knox's July 2026 forecast shows daily high temperatures ranging from 74° to 99°, with overnight lows between 55° and 76°. The average high for July is 83° with an average low of 62°. 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 Knox. See also: August | September | October.