S
M
T
W
T
F
S
26
70°
36°
27
63°
46°
28
52°
31°
29
48°
30°
30
40°
30°
1
44°
24°
2
59°
20°
3
68°
36°
4
63°
40°
5
41°
28°
6
42°
31°
7
49°
26°
8
57°
37°
9
56°
29°
10
49°
28°
11
55°
31°
12
61°
38°
13
65°
37°
14
64°
37°
15
61°
35°
16
63°
35°
17
62°
37°
18
65°
38°
19
67°
43°
20
66°
42°
21
64°
34°
22
59°
34°
23
61°
37°
24
60°
37°
25
61°
35°
26
61°
36°
27
60°
37°
28
61°
37°
29
64°
46°
30
64°
47°
31
65°
45°
1
69°
47°
2
73°
49°
3
74°
49°
4
75°
50°
5
75°
51°
6
73°
51°
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 41° to 75°, with overnight lows between 26° and 51°. The average high for May is 62° with an average low of 39°. 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.