S
M
T
W
T
F
S
26
57°
37°
27
52°
50°
28
55°
46°
29
55°
37°
30
55°
43°
1
54°
50°
2
55°
45°
3
66°
43°
4
59°
52°
5
57°
52°
6
55°
52°
7
55°
50°
8
57°
43°
9
63°
43°
10
59°
52°
11
61°
45°
12
61°
45°
13
61°
50°
14
59°
50°
15
55°
41°
16
53°
43°
17
64°
43°
18
67°
44°
19
69°
43°
20
71°
44°
21
73°
47°
22
69°
45°
23
73°
50°
24
71°
51°
25
63°
48°
26
62°
47°
27
64°
49°
28
63°
50°
29
65°
48°
30
61°
44°
31
62°
45°
1
68°
52°
2
71°
53°
3
70°
52°
4
68°
50°
5
63°
47°
6
69°
53°
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 53° to 73°, with overnight lows between 43° and 53°. The average high for May is 66° 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.
