S
M
T
W
T
F
S
31
76°
44°
1
76°
49°
2
76°
45°
3
83°
43°
4
88°
48°
5
78°
62°
6
87°
58°
7
80°
64°
8
80°
67°
9
88°
68°
10
88°
68°
11
89°
67°
12
85°
64°
13
84°
60°
14
76°
55°
15
77°
56°
16
79°
58°
17
77°
58°
18
78°
61°
19
82°
59°
20
79°
62°
21
80°
63°
22
78°
64°
23
82°
64°
24
84°
65°
25
84°
65°
26
86°
66°
27
87°
61°
28
78°
58°
29
79°
65°
30
85°
66°
1
84°
66°
2
81°
65°
3
83°
62°
4
81°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Lake Geneva
Lake Geneva's June 2026 forecast shows daily high temperatures ranging from 76° to 89°, with overnight lows between 55° and 68°. The average high for June is 82° with an average low of 63°. 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 Lake Geneva. See also: July | August | September.
