S
M
T
W
T
F
S
26
61°
28°
27
52°
37°
28
48°
30°
29
46°
30°
30
46°
30°
1
55°
25°
2
73°
34°
3
73°
32°
4
50°
30°
5
41°
32°
6
45°
30°
7
57°
25°
8
64°
36°
9
57°
34°
10
55°
28°
11
70°
30°
12
66°
45°
13
77°
37°
14
81°
57°
15
81°
54°
16
54°
41°
17
57°
39°
18
48°
43°
19
48°
36°
20
66°
32°
21
72°
48°
22
66°
48°
23
63°
46°
24
81°
48°
25
91°
61°
26
93°
63°
27
90°
64°
28
93°
61°
29
91°
64°
30
88°
66°
31
75°
64°
1
78°
61°
2
85°
62°
3
75°
58°
4
79°
55°
5
81°
62°
6
82°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Crookston
Crookston's May 2026 forecast shows daily high temperatures ranging from 75° to 85°, with overnight lows between 55° and 64°. The average high for May is 79° with an average low of 60°. 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 Crookston. See also: June | July | August.