S
M
T
W
T
F
S
26
57°
45°
27
73°
41°
28
65°
47°
29
53°
45°
30
58°
42°
1
51°
39°
2
50°
33°
3
65°
32°
4
79°
50°
5
62°
44°
6
57°
44°
7
60°
41°
8
63°
44°
9
73°
48°
10
65°
41°
11
61°
38°
12
67°
38°
13
60°
46°
14
67°
43°
15
73°
40°
16
80°
52°
17
88°
59°
18
89°
66°
19
88°
59°
20
62°
43°
21
64°
49°
22
63°
55°
23
65°
56°
24
69°
55°
25
77°
57°
26
76°
60°
27
78°
61°
28
81°
60°
29
78°
57°
30
80°
62°
31
81°
62°
1
77°
68°
2
81°
61°
3
77°
60°
4
74°
59°
5
75°
58°
6
78°
63°
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 62° to 88°, with overnight lows between 43° and 68°. The average high for May is 75° with an average low of 58°. 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.
