S
M
T
W
T
F
S
26
48°
33°
27
42°
36°
28
41°
29°
29
36°
29°
30
37°
24°
1
48°
21°
2
58°
19°
3
59°
30°
4
51°
29°
5
34°
25°
6
39°
28°
7
39°
24°
8
55°
23°
9
43°
29°
10
38°
27°
11
51°
23°
12
39°
33°
13
63°
31°
14
66°
28°
15
77°
44°
16
57°
31°
17
60°
26°
18
46°
35°
19
41°
28°
20
55°
30°
21
63°
33°
22
65°
41°
23
55°
44°
24
60°
45°
25
76°
47°
26
79°
51°
27
82°
53°
28
79°
52°
29
75°
51°
30
76°
50°
31
77°
50°
1
80°
54°
2
78°
42°
3
71°
48°
4
70°
46°
5
62°
43°
6
62°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Quetico
Quetico's May 2026 forecast shows daily high temperatures ranging from 55° to 82°, with overnight lows between 30° and 54°. The average high for May is 70° 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 Quetico. See also: June | July | August.
