S
M
T
W
T
F
S
26
64°
35°
27
73°
37°
28
71°
43°
29
69°
46°
30
52°
42°
1
57°
40°
2
51°
35°
3
51°
36°
4
69°
47°
5
79°
51°
6
59°
42°
7
55°
37°
8
54°
32°
9
51°
32°
10
65°
48°
11
56°
34°
12
56°
32°
13
54°
41°
14
54°
47°
15
62°
48°
16
75°
47°
17
81°
57°
18
88°
54°
19
85°
68°
20
81°
58°
21
60°
42°
22
67°
35°
23
64°
41°
24
52°
50°
25
69°
49°
26
81°
59°
27
76°
53°
28
65°
46°
29
62°
46°
30
63°
43°
31
64°
44°
1
66°
47°
2
65°
47°
3
73°
54°
4
73°
53°
5
74°
53°
6
72°
49°
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 52° to 81°, with overnight lows between 43° and 59°. The average high for May is 68° 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.