The temperatures in Cascais in October are comfortable with low of 17°C and and high up to 23°C.
You can expect a few rainy days in Cascais during October, but usually the weather is comfortable in October.
Our weather forecast can give you a great sense of what weather to expect in Cascais in October 2025.
If you’re planning to visit Cascais in the near future, we highly recommend that you review the 14 day weather forecast for Cascais before you arrive.
Temperatures
23° / 17°
Rainy Days
2
Snowy Days
0
Dry Days
29
Rainfall
42
mm
Sun Hours
10.8
Hrs
