S
M
T
W
T
F
S
26
77°
65°
27
79°
57°
28
84°
58°
29
88°
60°
30
90°
62°
1
88°
66°
2
92°
72°
3
95°
77°
4
78°
70°
5
77°
63°
6
84°
59°
7
95°
64°
8
99°
68°
9
102°
72°
10
104°
71°
11
107°
73°
12
110°
70°
13
95°
66°
14
95°
61°
15
96°
61°
16
96°
63°
17
91°
64°
18
91°
66°
19
95°
68°
20
96°
70°
21
97°
69°
22
93°
64°
23
92°
65°
24
95°
65°
25
96°
60°
26
92°
64°
27
89°
60°
28
90°
65°
29
91°
64°
30
93°
65°
31
90°
61°
1
91°
66°
2
95°
67°
3
99°
67°
4
100°
68°
5
101°
69°
6
100°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Tonto Basin
Tonto Basin's May 2026 forecast shows daily high temperatures ranging from 89° to 110°, with overnight lows between 60° and 70°. The average high for May is 95° with an average low of 65°. 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 Tonto Basin. See also: June | July | August.
