S
M
T
W
T
F
S
26
62°
45°
27
67°
45°
28
60°
45°
29
54°
43°
30
54°
36°
1
48°
34°
2
49°
27°
3
61°
34°
4
72°
52°
5
59°
43°
6
56°
39°
7
54°
38°
8
61°
39°
9
62°
42°
10
64°
43°
11
63°
41°
12
64°
42°
13
65°
46°
14
62°
45°
15
65°
47°
16
71°
49°
17
70°
47°
18
69°
51°
19
70°
52°
20
71°
52°
21
72°
47°
22
66°
44°
23
65°
44°
24
66°
45°
25
66°
46°
26
67°
45°
27
67°
45°
28
68°
46°
29
68°
47°
30
69°
52°
31
76°
53°
1
70°
50°
2
72°
52°
3
75°
57°
4
78°
57°
5
78°
58°
6
80°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Pioneer
Pioneer's May 2026 forecast shows daily high temperatures ranging from 54° to 80°, with overnight lows between 38° and 59°. The average high for May is 68° with an average low of 48°. 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 Pioneer. See also: June | July | August.
