S
M
T
W
T
F
S
26
69°
38°
27
56°
47°
28
56°
47°
29
65°
43°
30
73°
47°
1
71°
49°
2
72°
48°
3
80°
52°
4
75°
52°
5
62°
51°
6
57°
51°
7
64°
50°
8
62°
49°
9
67°
47°
10
67°
49°
11
70°
52°
12
80°
52°
13
58°
51°
14
60°
48°
15
53°
46°
16
59°
43°
17
60°
39°
18
66°
45°
19
64°
50°
20
66°
50°
21
76°
48°
22
77°
50°
23
73°
46°
24
73°
49°
25
61°
48°
26
64°
49°
27
67°
50°
28
65°
48°
29
66°
45°
30
63°
44°
31
70°
46°
1
74°
47°
2
73°
50°
3
68°
49°
4
67°
51°
5
62°
50°
6
63°
47°
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 61° to 77°, with overnight lows between 44° and 51°. 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.
