S
M
T
W
T
F
S
31
71°
50°
1
71°
52°
2
68°
52°
3
71°
53°
4
72°
53°
5
72°
52°
6
71°
52°
7
71°
53°
8
72°
55°
9
74°
55°
10
74°
54°
11
73°
55°
12
73°
55°
13
72°
53°
14
72°
55°
15
74°
54°
16
75°
55°
17
76°
55°
18
73°
53°
19
75°
51°
20
69°
48°
21
68°
46°
22
72°
49°
23
75°
57°
24
77°
57°
25
73°
49°
26
70°
50°
27
72°
54°
28
77°
58°
29
78°
58°
30
78°
59°
1
79°
58°
2
77°
58°
3
76°
57°
4
74°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Willisau
Willisau's June 2026 forecast shows daily high temperatures ranging from 68° to 79°, with overnight lows between 46° and 59°. The average high for June is 73° with an average low of 54°. 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 Willisau. See also: July | August | September.
