S
M
T
W
T
F
S
27
69°
43°
28
60°
38°
29
65°
38°
30
65°
34°
1
58°
42°
2
67°
44°
3
68°
34°
4
67°
30°
5
56°
32°
6
57°
38°
7
56°
40°
8
60°
41°
9
58°
40°
10
56°
40°
11
63°
39°
12
56°
34°
13
57°
31°
14
52°
32°
15
51°
33°
16
50°
31°
17
51°
28°
18
51°
31°
19
55°
30°
20
60°
37°
21
59°
38°
22
55°
39°
23
59°
37°
24
61°
32°
25
59°
31°
26
53°
27°
27
50°
29°
28
51°
25°
29
Hist. Avg.
54°
33°
30
Hist. Avg.
53°
32°
31
Hist. Avg.
53°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Londonderry
Londonderry's October 2026 forecast shows daily high temperatures ranging from 50° to 69°, with overnight lows between 25° and 44°. The average high for October is 58° with an average low of 35°. 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.
