S
M
T
W
T
F
S
26
62°
37°
27
71°
33°
28
64°
34°
29
68°
46°
30
61°
47°
1
65°
35°
2
60°
44°
3
61°
37°
4
74°
33°
5
83°
46°
6
69°
54°
7
66°
43°
8
57°
46°
9
58°
47°
10
71°
48°
11
60°
39°
12
61°
39°
13
54°
48°
14
58°
47°
15
62°
46°
16
68°
49°
17
67°
49°
18
70°
51°
19
73°
54°
20
73°
54°
21
72°
48°
22
63°
45°
23
64°
45°
24
64°
46°
25
67°
51°
26
70°
51°
27
66°
49°
28
69°
48°
29
66°
45°
30
70°
51°
31
74°
55°
1
74°
55°
2
73°
51°
3
73°
54°
4
76°
56°
5
76°
56°
6
75°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Long Valley
Long Valley's May 2026 forecast shows daily high temperatures ranging from 54° to 76°, with overnight lows between 39° and 57°. The average high for May is 67° with an average low of 49°. 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 Long Valley. See also: June | July | August.