S
M
T
W
T
F
S
31
77°
44°
1
75°
49°
2
72°
49°
3
79°
45°
4
84°
47°
5
88°
52°
6
88°
58°
7
89°
64°
8
84°
56°
9
83°
65°
10
87°
69°
11
95°
67°
12
94°
66°
13
87°
61°
14
89°
59°
15
76°
54°
16
79°
49°
17
86°
54°
18
83°
66°
19
81°
59°
20
84°
53°
21
86°
58°
22
88°
67°
23
76°
57°
24
81°
56°
25
87°
63°
26
81°
67°
27
83°
64°
28
86°
62°
29
89°
64°
30
91°
62°
1
89°
64°
2
89°
63°
3
87°
64°
4
84°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Williamsville
Williamsville's June 2026 forecast shows daily high temperatures ranging from 76° to 91°, with overnight lows between 56° and 67°. The average high for June is 85° 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 Williamsville. See also: July | August | September.
