S
M
T
W
T
F
S
31
66°
54°
1
75°
57°
2
79°
54°
3
81°
57°
4
84°
61°
5
79°
64°
6
82°
66°
7
79°
68°
8
72°
66°
9
82°
68°
10
82°
68°
11
70°
59°
12
79°
57°
13
77°
61°
14
68°
55°
15
77°
52°
16
70°
57°
17
70°
55°
18
72°
55°
19
73°
50°
20
75°
54°
21
68°
54°
22
75°
54°
23
79°
52°
24
79°
61°
25
73°
55°
26
73°
57°
27
75°
55°
28
81°
64°
29
90°
77°
30
88°
77°
1
84°
68°
2
77°
66°
3
81°
68°
4
82°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Postville
Postville's June 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for June 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 June weather will actually feel in Postville. See also: July | August | September.