S
M
T
W
T
F
S
26
77°
63°
27
79°
53°
28
84°
53°
29
87°
57°
30
90°
60°
1
88°
62°
2
91°
68°
3
95°
75°
4
77°
70°
5
77°
63°
6
83°
54°
7
95°
62°
8
100°
68°
9
102°
65°
10
105°
69°
11
107°
73°
12
104°
80°
13
97°
71°
14
97°
68°
15
95°
71°
16
96°
70°
17
92°
67°
18
84°
66°
19
88°
64°
20
91°
63°
21
93°
62°
22
94°
61°
23
96°
64°
24
96°
69°
25
91°
65°
26
91°
64°
27
90°
61°
28
87°
59°
29
85°
64°
30
95°
68°
31
97°
70°
1
100°
73°
2
103°
74°
3
102°
72°
4
101°
71°
5
99°
70°
6
100°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lone Mountain Ranch
Lone Mountain Ranch's May 2026 forecast shows daily high temperatures ranging from 85° to 103°, with overnight lows between 59° and 74°. The average high for May is 95° with an average low of 68°. 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 Lone Mountain Ranch. See also: June | July | August.