S
M
T
W
T
F
S
31
71°
44°
1
66°
43°
2
65°
44°
3
67°
45°
4
65°
46°
5
66°
45°
6
67°
48°
7
68°
49°
8
68°
48°
9
69°
49°
10
69°
48°
11
71°
53°
12
74°
49°
13
72°
48°
14
71°
50°
15
72°
56°
16
77°
56°
17
82°
57°
18
82°
57°
19
81°
56°
20
82°
58°
21
82°
59°
22
81°
58°
23
82°
57°
24
83°
51°
25
81°
52°
26
82°
60°
27
84°
53°
28
83°
60°
29
85°
61°
30
82°
55°
1
84°
50°
2
77°
56°
3
81°
61°
4
83°
62°
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 65° to 85°, with overnight lows between 43° and 62°. The average high for June is 76° 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 Waterbury. See also: July | August | September.
