S
M
T
W
T
F
S
26
52°
41°
27
53°
42°
28
56°
38°
29
52°
32°
30
50°
28°
1
54°
32°
2
N/A
3
68°
53°
4
62°
34°
5
51°
31°
6
49°
34°
7
54°
34°
8
60°
37°
9
64°
39°
10
68°
44°
11
65°
44°
12
70°
46°
13
66°
47°
14
65°
46°
15
69°
45°
16
70°
51°
17
72°
48°
18
70°
50°
19
71°
48°
20
68°
47°
21
65°
42°
22
63°
42°
23
64°
43°
24
65°
43°
25
64°
44°
26
65°
44°
27
65°
45°
28
66°
45°
29
68°
53°
30
66°
50°
31
67°
48°
1
72°
53°
2
75°
56°
3
77°
57°
4
78°
58°
5
77°
58°
6
78°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Isanti
Isanti's May 2026 forecast shows daily high temperatures ranging from 49° to 78°, with overnight lows between 31° and 59°. The average high for May is 67° 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 Isanti. See also: June | July | August.
