S
M
T
W
T
F
S
27
72°
55°
28
76°
59°
29
75°
57°
30
76°
55°
1
70°
58°
2
70°
51°
3
68°
57°
4
67°
49°
5
66°
48°
6
Hist. Avg.
68°
52°
7
Hist. Avg.
67°
52°
8
Hist. Avg.
67°
51°
9
Hist. Avg.
66°
51°
10
Hist. Avg.
66°
50°
11
Hist. Avg.
66°
50°
12
Hist. Avg.
65°
50°
13
Hist. Avg.
65°
49°
14
Hist. Avg.
65°
49°
15
Hist. Avg.
64°
49°
16
Hist. Avg.
64°
48°
17
Hist. Avg.
64°
48°
18
Hist. Avg.
63°
48°
19
Hist. Avg.
63°
47°
20
Hist. Avg.
62°
47°
21
Hist. Avg.
62°
46°
22
Hist. Avg.
62°
46°
23
Hist. Avg.
61°
46°
24
Hist. Avg.
61°
45°
25
Hist. Avg.
61°
45°
26
Hist. Avg.
60°
45°
27
Hist. Avg.
60°
44°
28
Hist. Avg.
60°
44°
29
Hist. Avg.
59°
44°
30
Hist. Avg.
59°
43°
31
Hist. Avg.
59°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Old Westbury
Old Westbury's October 2026 forecast shows daily high temperatures ranging from 66° to 76°, with overnight lows between 48° and 59°. The average high for October is 71° with an average low of 54°. 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 Old Westbury. See also: November | December | January.
