S
M
T
W
T
F
S
26
65°
46°
27
63°
47°
28
55°
38°
29
60°
41°
30
65°
43°
1
67°
48°
2
61°
45°
3
58°
42°
4
57°
43°
5
59°
44°
6
57°
43°
7
56°
42°
8
57°
40°
9
54°
41°
10
55°
44°
11
59°
45°
12
57°
44°
13
56°
46°
14
56°
47°
15
60°
48°
16
61°
47°
17
58°
43°
18
62°
49°
19
63°
50°
20
64°
50°
21
63°
49°
22
65°
49°
23
64°
48°
24
63°
49°
25
63°
49°
26
58°
47°
27
59°
44°
28
59°
46°
29
60°
45°
30
63°
49°
31
65°
50°
1
65°
50°
2
64°
51°
3
66°
50°
4
61°
50°
5
60°
49°
6
61°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lightwater Valley
Lightwater Valley's May 2026 forecast shows daily high temperatures ranging from 54° to 67°, with overnight lows between 38° and 51°. The average high for May is 61° with an average low of 46°. 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 Lightwater Valley. See also: June | July | August.