S
M
T
W
T
F
S
27
71°
47°
28
72°
50°
29
75°
48°
30
75°
53°
1
84°
68°
2
74°
49°
3
65°
45°
4
71°
42°
5
64°
41°
6
65°
38°
7
76°
45°
8
70°
42°
9
70°
54°
10
74°
55°
11
65°
57°
12
71°
61°
13
66°
46°
14
57°
44°
15
60°
45°
16
63°
44°
17
56°
40°
18
55°
42°
19
59°
41°
20
61°
42°
21
59°
41°
22
54°
39°
23
52°
35°
24
53°
40°
25
58°
43°
26
62°
41°
27
59°
35°
28
50°
33°
29
50°
35°
30
51°
38°
31
60°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Greenwich
Greenwich's October 2026 forecast shows daily high temperatures ranging from 50° to 74°, with overnight lows between 33° and 61°. The average high for October is 60° with an average low of 43°. 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 Greenwich. See also: November | December | January.
