S
M
T
W
T
F
S
26
54°
29°
27
41°
37°
28
48°
27°
29
45°
25°
30
47°
21°
1
54°
22°
2
66°
24°
3
70°
31°
4
62°
32°
5
37°
29°
6
41°
30°
7
55°
23°
8
N/A
9
51°
30°
10
49°
25°
11
61°
41°
12
56°
36°
13
63°
42°
14
65°
46°
15
73°
43°
16
69°
44°
17
70°
46°
18
66°
45°
19
69°
48°
20
69°
47°
21
70°
46°
22
68°
42°
23
66°
47°
24
72°
48°
25
72°
50°
26
71°
50°
27
73°
51°
28
73°
49°
29
64°
46°
30
63°
43°
31
64°
41°
1
65°
49°
2
64°
50°
3
65°
51°
4
66°
51°
5
72°
48°
6
69°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Lake Itasca
Lake Itasca's May 2026 forecast shows daily high temperatures ranging from 49° to 73°, with overnight lows between 25° and 51°. The average high for May is 66° with an average low of 45°. 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 Lake Itasca. See also: June | July | August.
