S
M
T
W
T
F
S
26
67°
55°
27
68°
52°
28
73°
46°
29
76°
48°
30
72°
56°
1
78°
54°
2
78°
58°
3
69°
58°
4
69°
57°
5
67°
54°
6
75°
50°
7
76°
52°
8
81°
59°
9
80°
59°
10
78°
57°
11
85°
54°
12
67°
61°
13
75°
57°
14
74°
61°
15
75°
61°
16
68°
56°
17
66°
55°
18
69°
55°
19
71°
56°
20
72°
58°
21
76°
57°
22
74°
60°
23
73°
59°
24
74°
58°
25
74°
58°
26
74°
57°
27
75°
56°
28
76°
57°
29
75°
56°
30
70°
52°
31
74°
58°
1
78°
60°
2
78°
60°
3
77°
59°
4
78°
60°
5
78°
60°
6
77°
59°
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 66° to 78°, with overnight lows between 52° and 60°. The average high for May is 74° 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.
