S
M
T
W
T
F
S
26
58°
27°
27
43°
36°
28
46°
35°
29
41°
31°
30
43°
22°
1
51°
18°
2
65°
21°
3
66°
29°
4
55°
30°
5
36°
28°
6
38°
23°
7
48°
18°
8
60°
20°
9
48°
32°
10
42°
26°
11
57°
19°
12
51°
37°
13
63°
34°
14
75°
36°
15
77°
49°
16
54°
30°
17
59°
31°
18
50°
41°
19
48°
37°
20
59°
29°
21
69°
37°
22
68°
38°
23
57°
41°
24
73°
39°
25
89°
43°
26
82°
44°
27
76°
55°
28
85°
45°
29
91°
50°
30
82°
61°
31
81°
49°
1
83°
43°
2
86°
60°
3
84°
61°
4
79°
50°
5
74°
51°
6
75°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Rainy Lake Ut
Rainy Lake Ut's May 2026 forecast shows daily high temperatures ranging from 74° to 86°, with overnight lows between 50° and 61°. The average high for May is 80° with an average low of 55°. 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 Rainy Lake Ut. See also: June | July | August.