S
M
T
W
T
F
S
31
80°
58°
1
84°
55°
2
83°
58°
3
79°
58°
4
78°
59°
5
83°
61°
6
83°
60°
7
81°
61°
8
85°
65°
9
81°
68°
10
76°
58°
11
73°
56°
12
77°
61°
13
74°
61°
14
73°
60°
15
74°
63°
16
76°
61°
17
80°
55°
18
73°
55°
19
74°
56°
20
77°
60°
21
75°
62°
22
75°
58°
23
76°
62°
24
80°
64°
25
83°
66°
26
84°
66°
27
85°
67°
28
84°
66°
29
76°
66°
30
76°
65°
1
79°
64°
2
77°
59°
3
77°
62°
4
78°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Winona
Winona's June 2026 forecast shows daily high temperatures ranging from 73° to 85°, with overnight lows between 55° and 68°. The average high for June is 79° 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 Winona. See also: July | August | September.