S
M
T
W
T
F
S
26
49°
32°
27
55°
26°
28
47°
25°
29
50°
35°
30
54°
33°
1
63°
39°
2
63°
29°
3
49°
27°
4
60°
38°
5
62°
34°
6
53°
28°
7
51°
29°
8
52°
29°
9
54°
36°
10
61°
41°
11
55°
34°
12
53°
30°
13
55°
33°
14
63°
38°
15
67°
42°
16
68°
42°
17
65°
43°
18
59°
40°
19
58°
40°
20
64°
43°
21
69°
42°
22
70°
46°
23
71°
45°
24
70°
45°
25
73°
43°
26
67°
39°
27
68°
44°
28
67°
45°
29
70°
38°
30
65°
35°
31
63°
39°
1
67°
42°
2
70°
46°
3
72°
48°
4
73°
48°
5
74°
46°
6
74°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lily Plain
Lily Plain's May 2026 forecast shows daily high temperatures ranging from 47° to 74°, with overnight lows between 25° and 48°. The average high for May is 62° with an average low of 38°. 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 Lily Plain. See also: June | July | August.