S
M
T
W
T
F
S
26
64°
32°
27
71°
37°
28
71°
46°
29
69°
43°
30
53°
42°
1
52°
36°
2
47°
36°
3
47°
33°
4
63°
33°
5
77°
52°
6
52°
42°
7
51°
36°
8
48°
36°
9
59°
32°
10
62°
43°
11
51°
37°
12
51°
36°
13
48°
35°
14
54°
48°
15
64°
50°
16
74°
51°
17
72°
52°
18
83°
46°
19
81°
63°
20
76°
53°
21
55°
36°
22
64°
32°
23
68°
37°
24
N/A
25
64°
49°
26
78°
57°
27
72°
51°
28
61°
45°
29
59°
45°
30
56°
40°
31
64°
44°
1
62°
45°
2
66°
47°
3
67°
49°
4
73°
52°
5
72°
51°
6
69°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Derby Line
Derby Line's May 2026 forecast shows daily high temperatures ranging from 56° to 78°, with overnight lows between 40° and 57°. The average high for May is 66° with an average low of 48°. 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 Line. See also: June | July | August.
