S
M
T
W
T
F
S
27
60°
56°
28
58°
50°
29
66°
52°
30
68°
53°
1
74°
57°
2
83°
52°
3
71°
44°
4
63°
54°
5
69°
43°
6
61°
35°
7
61°
43°
8
69°
45°
9
71°
47°
10
66°
42°
11
67°
48°
12
63°
46°
13
64°
44°
14
62°
42°
15
63°
39°
16
59°
36°
17
65°
43°
18
65°
43°
19
61°
42°
20
62°
42°
21
61°
37°
22
55°
37°
23
56°
39°
24
62°
41°
25
61°
41°
26
62°
36°
27
52°
34°
28
53°
32°
29
57°
35°
30
56°
34°
31
55°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Watertown
Watertown's October 2026 forecast shows daily high temperatures ranging from 52° to 83°, with overnight lows between 32° and 54°. The average high for October is 63° with an average low of 41°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Watertown. See also: November | December | January.
