S
M
T
W
T
F
S
27
62°
50°
28
61°
51°
29
60°
50°
30
60°
46°
1
61°
47°
2
60°
46°
3
60°
45°
4
59°
49°
5
61°
48°
6
61°
46°
7
60°
46°
8
62°
47°
9
62°
47°
10
61°
44°
11
57°
43°
12
58°
44°
13
57°
43°
14
58°
44°
15
57°
43°
16
56°
42°
17
56°
42°
18
57°
43°
19
55°
45°
20
55°
47°
21
56°
47°
22
59°
46°
23
59°
45°
24
58°
47°
25
59°
45°
26
58°
45°
27
57°
44°
28
55°
46°
29
56°
45°
30
57°
45°
31
57°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Cardiff
Cardiff's October 2026 forecast shows daily high temperatures ranging from 55° to 62°, with overnight lows between 42° and 51°. The average high for October is 58° with an average low of 46°. 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 Cardiff. See also: November | December | January.
