S
M
T
W
T
F
S
26
86°
73°
27
91°
74°
28
85°
68°
29
72°
59°
30
64°
59°
1
63°
51°
2
75°
46°
3
80°
51°
4
81°
58°
5
86°
70°
6
71°
55°
7
70°
52°
8
76°
55°
9
91°
68°
10
85°
64°
11
78°
60°
12
83°
58°
13
89°
59°
14
89°
67°
15
85°
67°
16
88°
68°
17
87°
73°
18
91°
77°
19
89°
66°
20
82°
66°
21
81°
68°
22
85°
66°
23
83°
63°
24
88°
65°
25
85°
64°
26
87°
64°
27
82°
65°
28
89°
65°
29
91°
70°
30
91°
74°
31
91°
73°
1
92°
72°
2
92°
70°
3
89°
67°
4
87°
68°
5
85°
73°
6
89°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Itasca
Itasca's May 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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 Itasca. See also: June | July | August.