S
M
T
W
T
F
S
27
89°
69°
28
89°
64°
29
88°
63°
30
89°
65°
1
90°
66°
2
90°
63°
3
89°
64°
4
90°
64°
5
90°
67°
6
89°
68°
7
88°
67°
8
89°
66°
9
86°
65°
10
88°
65°
11
81°
66°
12
85°
66°
13
85°
65°
14
86°
63°
15
87°
63°
16
80°
62°
17
85°
55°
18
79°
55°
19
78°
56°
20
78°
60°
21
81°
61°
22
83°
61°
23
84°
60°
24
84°
56°
25
77°
59°
26
76°
60°
27
78°
52°
28
78°
51°
29
76°
50°
30
72°
52°
31
75°
55°
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 72° to 90°, with overnight lows between 50° and 69°. The average high for October is 84° with an average low of 61°. 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.
