S
M
T
W
T
F
S
26
66°
45°
27
70°
46°
28
63°
46°
29
64°
46°
30
70°
52°
1
75°
46°
2
68°
52°
3
65°
48°
4
65°
48°
5
63°
46°
6
58°
40°
7
60°
42°
8
61°
47°
9
62°
47°
10
60°
45°
11
59°
47°
12
62°
47°
13
62°
45°
14
61°
46°
15
61°
48°
16
58°
45°
17
59°
44°
18
59°
42°
19
60°
46°
20
59°
43°
21
58°
42°
22
59°
43°
23
60°
44°
24
61°
48°
25
61°
49°
26
62°
49°
27
61°
46°
28
61°
44°
29
62°
43°
30
62°
46°
31
67°
48°
1
66°
47°
2
67°
50°
3
68°
49°
4
63°
48°
5
65°
49°
6
68°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lightwater
Lightwater's May 2026 forecast shows daily high temperatures ranging from 58° to 68°, with overnight lows between 40° and 52°. The average high for May is 62° 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. See also: June | July | August.