S
M
T
W
T
F
S
26
59°
35°
27
71°
35°
28
63°
51°
29
59°
46°
30
51°
37°
1
50°
35°
2
46°
34°
3
57°
48°
4
70°
55°
5
72°
43°
6
48°
37°
7
47°
36°
8
48°
37°
9
52°
38°
10
53°
39°
11
56°
41°
12
53°
42°
13
55°
45°
14
60°
45°
15
59°
46°
16
69°
52°
17
68°
53°
18
70°
50°
19
63°
48°
20
69°
52°
21
69°
51°
22
70°
45°
23
62°
43°
24
62°
44°
25
63°
46°
26
64°
45°
27
64°
45°
28
65°
46°
29
64°
45°
30
65°
46°
31
66°
51°
1
66°
48°
2
67°
47°
3
68°
56°
4
69°
53°
5
68°
51°
6
74°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Phelps
Phelps's May 2026 forecast shows daily high temperatures ranging from 46° to 74°, with overnight lows between 34° and 57°. The average high for May is 62° with an average low of 46°. 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 Phelps. See also: June | July | August.