S
M
T
W
T
F
S
26
94°
71°
27
95°
67°
28
93°
64°
29
94°
64°
30
94°
64°
1
92°
65°
2
95°
69°
3
96°
69°
4
95°
73°
5
96°
69°
6
95°
66°
7
89°
69°
8
85°
65°
9
87°
62°
10
89°
63°
11
94°
68°
12
94°
72°
13
94°
72°
14
95°
69°
15
93°
66°
16
93°
65°
17
88°
68°
18
76°
66°
19
81°
66°
20
N/A
21
89°
68°
22
88°
68°
23
90°
67°
24
85°
60°
25
86°
62°
26
87°
61°
27
84°
62°
28
84°
60°
29
87°
63°
30
94°
56°
31
95°
56°
1
94°
57°
2
88°
59°
3
87°
62°
4
91°
65°
5
92°
65°
6
89°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Derby
Derby's May 2026 forecast shows daily high temperatures ranging from 84° to 95°, with overnight lows between 56° and 68°. The average high for May is 89° 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 May weather will actually feel in Derby. See also: June | July | August.