S
M
T
W
T
F
S
31
86°
67°
1
86°
60°
2
87°
65°
3
88°
58°
4
80°
66°
5
88°
61°
6
93°
59°
7
79°
67°
8
90°
67°
9
92°
70°
10
95°
62°
11
84°
55°
12
83°
58°
13
80°
56°
14
77°
54°
15
75°
54°
16
77°
53°
17
78°
56°
18
80°
57°
19
81°
60°
20
84°
59°
21
81°
63°
22
82°
62°
23
85°
65°
24
85°
65°
25
84°
64°
26
87°
64°
27
79°
59°
28
79°
62°
29
81°
66°
30
85°
66°
1
86°
65°
2
86°
66°
3
87°
62°
4
80°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in North Sioux City
North Sioux City's June 2026 forecast shows daily high temperatures ranging from 75° to 95°, with overnight lows between 53° and 70°. The average high for June is 83° with an average low of 61°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in North Sioux City. See also: July | August | September.
