S
M
T
W
T
F
S
28
84°
69°
29
91°
72°
30
91°
76°
1
93°
72°
2
94°
72°
3
91°
73°
4
90°
70°
5
86°
69°
6
86°
65°
7
83°
65°
8
84°
64°
9
83°
62°
10
83°
64°
11
85°
63°
12
85°
63°
13
83°
65°
14
85°
62°
15
78°
58°
16
79°
59°
17
78°
59°
18
79°
60°
19
80°
65°
20
79°
65°
21
84°
64°
22
83°
65°
23
85°
66°
24
85°
65°
25
84°
65°
26
85°
66°
27
85°
67°
28
86°
66°
29
87°
67°
30
86°
66°
31
85°
65°
1
80°
62°
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 78° to 94°, with overnight lows between 58° and 73°. The average high for July is 84° 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 Knox. See also: August | September | October.