S
M
T
W
T
F
S
26
68°
54°
27
72°
53°
28
77°
55°
29
82°
59°
30
84°
62°
1
85°
64°
2
86°
62°
3
91°
63°
4
78°
62°
5
76°
56°
6
85°
62°
7
92°
66°
8
100°
73°
9
99°
74°
10
100°
74°
11
104°
74°
12
104°
76°
13
95°
76°
14
95°
73°
15
100°
75°
16
93°
75°
17
91°
62°
18
78°
60°
19
83°
64°
20
88°
68°
21
96°
71°
22
95°
72°
23
94°
70°
24
96°
71°
25
98°
74°
26
97°
72°
27
97°
71°
28
96°
72°
29
99°
71°
30
97°
72°
31
105°
77°
1
94°
70°
2
98°
73°
3
99°
76°
4
100°
77°
5
100°
77°
6
99°
76°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Spring Valley
Spring Valley's May 2026 forecast shows daily high temperatures ranging from 78° to 105°, with overnight lows between 60° and 77°. The average high for May is 95° with an average low of 72°. 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 Spring Valley. See also: June | July | August.
