S
M
T
W
T
F
S
31
74°
49°
1
78°
51°
2
74°
48°
3
80°
47°
4
85°
59°
5
80°
62°
6
82°
61°
7
81°
62°
8
76°
64°
9
81°
66°
10
82°
64°
11
76°
60°
12
78°
56°
13
80°
62°
14
66°
52°
15
75°
52°
16
73°
55°
17
62°
51°
18
72°
55°
19
72°
52°
20
71°
53°
21
71°
51°
22
74°
52°
23
74°
50°
24
74°
57°
25
74°
58°
26
73°
53°
27
76°
58°
28
79°
59°
29
91°
68°
30
91°
78°
1
91°
71°
2
87°
70°
3
84°
70°
4
79°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Oshkosh
Oshkosh's June 2026 forecast shows daily high temperatures ranging from 79° to 91°, with overnight lows between 65° and 71°. The average high for June is 85° with an average low of 69°. 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 Oshkosh. See also: July | August | September.
