S
M
T
W
T
F
S
26
70°
56°
27
74°
55°
28
78°
53°
29
82°
60°
30
85°
62°
1
86°
67°
2
87°
66°
3
92°
60°
4
80°
65°
5
77°
59°
6
86°
59°
7
94°
63°
8
101°
66°
9
101°
68°
10
101°
78°
11
105°
70°
12
106°
68°
13
97°
76°
14
96°
69°
15
101°
69°
16
94°
75°
17
93°
63°
18
77°
58°
19
83°
59°
20
88°
64°
21
91°
62°
22
96°
70°
23
98°
70°
24
99°
69°
25
100°
70°
26
100°
68°
27
91°
67°
28
90°
58°
29
93°
62°
30
102°
64°
31
101°
66°
1
105°
68°
2
106°
69°
3
106°
67°
4
107°
68°
5
101°
66°
6
100°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Moapa Valley
Moapa Valley's May 2026 forecast shows daily high temperatures ranging from 90° to 107°, with overnight lows between 58° and 70°. The average high for May is 100° with an average low of 67°. 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 Moapa Valley. See also: June | July | August.