S
M
T
W
T
F
S
27
67°
54°
28
65°
48°
29
66°
49°
30
63°
49°
1
68°
53°
2
68°
52°
3
66°
49°
4
67°
51°
5
66°
50°
6
65°
51°
7
65°
53°
8
67°
49°
9
58°
48°
10
59°
45°
11
55°
43°
12
60°
49°
13
65°
48°
14
65°
48°
15
64°
47°
16
64°
47°
17
63°
40°
18
52°
38°
19
52°
40°
20
58°
47°
21
61°
41°
22
55°
37°
23
49°
39°
24
49°
43°
25
51°
45°
26
60°
35°
27
53°
31°
28
50°
35°
29
53°
40°
30
58°
42°
31
59°
43°
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 49° to 68°, with overnight lows between 31° and 54°. The average high for October is 60° with an average low of 45°. 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.
