S
M
T
W
T
F
S
26
44°
36°
27
45°
37°
28
53°
37°
29
43°
30°
30
41°
27°
1
49°
23°
2
63°
26°
3
65°
38°
4
58°
35°
5
41°
30°
6
42°
28°
7
51°
27°
8
63°
27°
9
55°
38°
10
49°
32°
11
52°
25°
12
61°
36°
13
67°
39°
14
66°
41°
15
81°
50°
16
71°
43°
17
50°
39°
18
56°
38°
19
51°
40°
20
56°
36°
21
59°
34°
22
56°
37°
23
53°
43°
24
74°
52°
25
81°
58°
26
77°
55°
27
65°
46°
28
70°
48°
29
70°
44°
30
64°
42°
31
75°
49°
1
72°
53°
2
72°
54°
3
74°
54°
4
74°
53°
5
75°
52°
6
59°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Proctor
Proctor's May 2026 forecast shows daily high temperatures ranging from 59° to 81°, with overnight lows between 42° and 58°. The average high for May is 72° with an average low of 50°. 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 Proctor. See also: June | July | August.