The temperatures in Cardiff in October are usually low and can range between 10°C and 14°C.
You can expect about 3 to 8 days of rain in Cardiff during the month of October. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Cardiff in October 2025.
If you’re planning to visit Cardiff in the near future, we highly recommend that you review the 14 day weather forecast for Cardiff before you arrive.
Temperatures
14° / 10°
Rainy Days
7
Snowy Days
0
Dry Days
24
Rainfall
99
mm
Sun Hours
8.1
Hrs
