S
M
T
W
T
F
S
31
71°
39°
1
66°
42°
2
75°
48°
3
78°
54°
4
85°
55°
5
88°
64°
6
88°
60°
7
73°
51°
8
71°
52°
9
74°
53°
10
78°
56°
11
76°
59°
12
83°
57°
13
81°
58°
14
80°
54°
15
73°
50°
16
71°
50°
17
72°
51°
18
73°
52°
19
74°
53°
20
74°
52°
21
75°
52°
22
74°
53°
23
74°
55°
24
75°
58°
25
75°
54°
26
74°
53°
27
75°
60°
28
79°
59°
29
76°
57°
30
77°
55°
1
75°
55°
2
75°
56°
3
77°
61°
4
80°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Waterbury
Waterbury's June 2026 forecast shows daily high temperatures ranging from 66° to 88°, with overnight lows between 42° and 64°. The average high for June is 76° with an average low of 55°. 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 Waterbury. See also: July | August | September.
