S
M
T
W
T
F
S
27
73°
43°
28
75°
45°
29
77°
45°
30
79°
54°
1
86°
59°
2
73°
57°
3
70°
46°
4
73°
43°
5
70°
41°
6
68°
36°
7
77°
41°
8
77°
45°
9
75°
41°
10
64°
50°
11
64°
55°
12
77°
59°
13
86°
61°
14
86°
63°
15
70°
59°
16
72°
50°
17
55°
36°
18
63°
32°
19
68°
32°
20
70°
34°
21
70°
34°
22
68°
36°
23
68°
36°
24
70°
39°
25
71°
38°
26
71°
42°
27
70°
45°
28
73°
43°
29
73°
45°
30
72°
43°
31
57°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Adelphi
Adelphi's October 2026 forecast shows daily high temperatures ranging from 57° to 73°, with overnight lows between 38° and 45°. The average high for October is 70° with an average low of 42°. 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 Adelphi. See also: November | December | January.
