S
M
T
W
T
F
S
26
79°
59°
27
73°
55°
28
73°
49°
29
83°
59°
30
76°
62°
1
68°
57°
2
61°
53°
3
72°
45°
4
81°
48°
5
83°
52°
6
87°
60°
7
80°
62°
8
73°
54°
9
76°
59°
10
86°
62°
11
85°
61°
12
71°
53°
13
86°
59°
14
77°
48°
15
78°
54°
16
88°
63°
17
91°
63°
18
91°
61°
19
90°
64°
20
90°
63°
21
86°
62°
22
83°
59°
23
83°
60°
24
81°
58°
25
82°
58°
26
85°
60°
27
86°
63°
28
85°
64°
29
87°
63°
30
87°
64°
31
86°
63°
1
86°
64°
2
85°
64°
3
86°
63°
4
82°
64°
5
85°
64°
6
87°
66°
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 77° to 91°, with overnight lows between 48° and 66°. The average high for May is 85° with an average low of 61°. 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.
