S
M
T
W
T
F
S
26
81°
55°
27
84°
55°
28
58°
47°
29
64°
43°
30
66°
40°
1
67°
42°
2
64°
42°
3
79°
40°
4
80°
61°
5
69°
44°
6
61°
40°
7
70°
52°
8
71°
47°
9
81°
57°
10
70°
45°
11
74°
56°
12
80°
53°
13
78°
56°
14
79°
57°
15
77°
58°
16
77°
55°
17
76°
55°
18
78°
58°
19
77°
54°
20
71°
58°
21
70°
53°
22
70°
54°
23
71°
58°
24
73°
57°
25
73°
61°
26
74°
61°
27
74°
60°
28
75°
60°
29
77°
56°
30
77°
58°
31
80°
61°
1
83°
63°
2
82°
64°
3
84°
64°
4
85°
65°
5
85°
65°
6
81°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mapleton
Mapleton's May 2026 forecast shows daily high temperatures ranging from 61° to 85°, with overnight lows between 40° and 65°. The average high for May is 76° with an average low of 57°. 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 Mapleton. See also: June | July | August.