S
M
T
W
T
F
S
31
75°
59°
1
78°
56°
2
77°
61°
3
76°
64°
4
79°
59°
5
69°
59°
6
78°
63°
7
85°
66°
8
79°
62°
9
82°
61°
10
79°
60°
11
83°
58°
12
77°
57°
13
79°
58°
14
85°
59°
15
70°
53°
16
71°
52°
17
72°
55°
18
75°
58°
19
78°
59°
20
73°
61°
21
77°
62°
22
77°
61°
23
81°
59°
24
75°
61°
25
80°
62°
26
78°
59°
27
78°
62°
28
79°
63°
29
77°
63°
30
75°
62°
1
82°
63°
2
83°
64°
3
80°
61°
4
76°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Watertown
Watertown's June 2026 forecast shows daily high temperatures ranging from 69° to 85°, with overnight lows between 52° and 66°. The average high for June is 78° with an average low of 60°. 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 Watertown. See also: July | August | September.
