S
M
T
W
T
F
S
26
52°
40°
27
51°
42°
28
55°
36°
29
53°
31°
30
52°
30°
1
55°
35°
2
67°
29°
3
71°
43°
4
56°
34°
5
49°
32°
6
50°
34°
7
59°
40°
8
66°
39°
9
65°
35°
10
59°
36°
11
63°
39°
12
71°
46°
13
67°
43°
14
67°
44°
15
69°
49°
16
70°
48°
17
68°
45°
18
69°
50°
19
67°
50°
20
67°
47°
21
63°
42°
22
63°
42°
23
64°
43°
24
64°
42°
25
65°
43°
26
64°
44°
27
64°
44°
28
65°
45°
29
66°
53°
30
66°
51°
31
67°
50°
1
74°
54°
2
76°
56°
3
78°
56°
4
78°
57°
5
77°
58°
6
78°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sartell
Sartell's May 2026 forecast shows daily high temperatures ranging from 49° to 78°, with overnight lows between 32° and 58°. The average high for May is 66° 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 Sartell. See also: June | July | August.