S
M
T
W
T
F
S
31
60°
36°
1
65°
43°
2
70°
38°
3
78°
42°
4
82°
47°
5
80°
52°
6
71°
56°
7
64°
43°
8
77°
48°
9
81°
55°
10
79°
64°
11
84°
64°
12
86°
60°
13
78°
56°
14
80°
57°
15
77°
54°
16
75°
55°
17
75°
53°
18
74°
52°
19
72°
53°
20
73°
50°
21
72°
52°
22
70°
49°
23
70°
51°
24
68°
50°
25
70°
51°
26
70°
48°
27
71°
55°
28
73°
49°
29
70°
48°
30
71°
53°
1
75°
54°
2
72°
51°
3
71°
52°
4
72°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Willoughby
Willoughby's June 2026 forecast shows daily high temperatures ranging from 64° to 86°, with overnight lows between 43° and 64°. The average high for June is 74° with an average low of 53°. 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 Willoughby. See also: July | August | September.