S
M
T
W
T
F
S
28
82°
61°
29
87°
63°
30
88°
70°
1
96°
75°
2
104°
76°
3
101°
75°
4
94°
69°
5
89°
69°
6
85°
65°
7
81°
64°
8
82°
64°
9
86°
67°
10
88°
68°
11
86°
66°
12
87°
63°
13
78°
60°
14
77°
59°
15
76°
59°
16
78°
61°
17
78°
61°
18
79°
62°
19
78°
64°
20
79°
66°
21
78°
67°
22
84°
67°
23
80°
66°
24
81°
67°
25
84°
66°
26
85°
68°
27
85°
68°
28
84°
67°
29
84°
67°
30
83°
64°
31
78°
61°
1
77°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Derby
Derby's July 2026 forecast shows daily high temperatures ranging from 76° to 104°, with overnight lows between 59° and 76°. 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 Derby. See also: August | September | October.
