S
M
T
W
T
F
S
27
66°
43°
28
66°
39°
29
64°
37°
30
70°
55°
1
64°
50°
2
68°
50°
3
63°
41°
4
64°
39°
5
70°
59°
6
63°
50°
7
57°
43°
8
57°
41°
9
64°
48°
10
57°
46°
11
59°
37°
12
59°
36°
13
63°
46°
14
63°
45°
15
63°
50°
16
57°
41°
17
54°
41°
18
52°
39°
19
59°
48°
20
55°
48°
21
54°
45°
22
55°
40°
23
54°
40°
24
56°
46°
25
53°
44°
26
59°
52°
27
57°
46°
28
57°
48°
29
55°
47°
30
56°
44°
31
54°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Londonderry
Londonderry's October 2026 forecast shows daily high temperatures ranging from 53° to 59°, with overnight lows between 40° and 52°. The average high for October is 56° 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 Londonderry. See also: November | December | January.
