S
M
T
W
T
F
S
27
62°
58°
28
62°
56°
29
68°
55°
30
73°
58°
1
77°
60°
2
84°
61°
3
71°
53°
4
60°
53°
5
68°
50°
6
61°
43°
7
64°
39°
8
73°
50°
9
69°
46°
10
69°
54°
11
62°
56°
12
73°
58°
13
72°
60°
14
73°
54°
15
63°
45°
16
61°
47°
17
62°
43°
18
56°
42°
19
58°
45°
20
61°
45°
21
63°
46°
22
60°
47°
23
59°
43°
24
55°
38°
25
55°
41°
26
61°
44°
27
64°
37°
28
53°
36°
29
52°
36°
30
53°
38°
31
59°
41°
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 52° to 73°, with overnight lows between 36° and 60°. The average high for October is 61° 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 Greenwich. See also: November | December | January.
