S
M
T
W
T
F
S
26
39°
24°
27
44°
31°
28
39°
33°
29
45°
32°
30
38°
25°
1
25°
19°
2
28°
20°
3
22°
17°
4
37°
18°
5
51°
36°
6
42°
26°
7
27°
18°
8
22°
19°
9
32°
20°
10
36°
23°
11
28°
20°
12
23°
17°
13
35°
22°
14
37°
33°
15
40°
34°
16
49°
35°
17
49°
35°
18
75°
50°
19
84°
65°
20
75°
33°
21
57°
31°
22
64°
38°
23
59°
39°
24
64°
42°
25
64°
42°
26
66°
44°
27
71°
47°
28
72°
45°
29
69°
45°
30
70°
47°
31
72°
42°
1
69°
45°
2
66°
46°
3
66°
45°
4
65°
47°
5
66°
48°
6
74°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Randolph
Randolph's May 2026 forecast shows daily high temperatures ranging from 57° to 84°, with overnight lows between 31° and 65°. The average high for May is 68° with an average low of 44°. 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 Randolph. See also: June | July | August.