S
M
T
W
T
F
S
27
69°
53°
28
N/A
29
65°
60°
30
71°
58°
1
66°
46°
2
63°
34°
3
65°
52°
4
68°
39°
5
68°
36°
6
81°
57°
7
74°
43°
8
66°
46°
9
74°
61°
10
86°
61°
11
78°
48°
12
55°
38°
13
56°
38°
14
54°
41°
15
56°
40°
16
53°
40°
17
58°
42°
18
57°
42°
19
58°
43°
20
56°
36°
21
61°
42°
22
61°
42°
23
52°
34°
24
59°
42°
25
60°
38°
26
54°
39°
27
54°
30°
28
45°
32°
29
53°
36°
30
53°
34°
31
55°
39°
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 45° to 86°, with overnight lows between 30° and 61°. The average high for October is 60° 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.
