S
M
T
W
T
F
S
26
44°
32°
27
51°
36°
28
58°
26°
29
60°
22°
30
57°
30°
1
65°
24°
2
76°
21°
3
73°
31°
4
72°
35°
5
45°
34°
6
52°
32°
7
71°
35°
8
72°
44°
9
74°
42°
10
72°
39°
11
88°
46°
12
76°
47°
13
88°
43°
14
89°
50°
15
85°
40°
16
80°
51°
17
69°
49°
18
47°
32°
19
64°
45°
20
57°
41°
21
62°
45°
22
64°
44°
23
83°
49°
24
88°
49°
25
87°
51°
26
86°
50°
27
80°
49°
28
85°
53°
29
83°
54°
30
84°
55°
31
81°
48°
1
76°
54°
2
75°
53°
3
74°
50°
4
77°
54°
5
83°
54°
6
80°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Red Lion
Red Lion's May 2026 forecast shows daily high temperatures ranging from 47° to 88°, with overnight lows between 32° and 55°. The average high for May is 76° 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 Red Lion. See also: June | July | August.