S
M
T
W
T
F
S
26
68°
50°
27
64°
48°
28
66°
45°
29
67°
50°
30
67°
48°
1
68°
52°
2
66°
56°
3
77°
54°
4
67°
47°
5
65°
47°
6
65°
48°
7
68°
51°
8
70°
49°
9
69°
49°
10
67°
48°
11
67°
49°
12
70°
59°
13
79°
61°
14
80°
61°
15
80°
58°
16
72°
53°
17
72°
61°
18
80°
61°
19
82°
63°
20
81°
61°
21
75°
55°
22
73°
55°
23
74°
56°
24
74°
55°
25
76°
59°
26
82°
63°
27
82°
63°
28
83°
64°
29
85°
62°
30
86°
61°
31
82°
58°
1
82°
57°
2
77°
57°
3
77°
56°
4
76°
57°
5
78°
59°
6
79°
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 64° to 86°, with overnight lows between 45° and 66°. The average high for May is 74° with an average low of 56°. 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.
