S
M
T
W
T
F
S
31
72°
45°
1
67°
45°
2
68°
44°
3
68°
48°
4
70°
54°
5
74°
55°
6
79°
49°
7
77°
53°
8
77°
49°
9
79°
50°
10
73°
56°
11
74°
51°
12
74°
47°
13
70°
49°
14
72°
50°
15
74°
52°
16
80°
50°
17
79°
51°
18
73°
59°
19
78°
61°
20
83°
62°
21
84°
62°
22
84°
61°
23
83°
57°
24
84°
61°
25
84°
63°
26
85°
62°
27
85°
63°
28
84°
63°
29
82°
57°
30
79°
54°
1
76°
53°
2
76°
57°
3
74°
60°
4
76°
64°
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 67° to 85°, with overnight lows between 44° and 64°. The average high for June is 77° 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 Watertown. See also: July | August | September.
