The weather in Rancagua in October is very cold with temperatures between 3°C and 20°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Rancagua 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 Rancagua in October 2026.
If you’re planning to visit Rancagua in the near future, we highly recommend that you review the 14 day weather forecast for Rancagua before you arrive.
Temperatures
20° / 3°
Rainy Days
3
Snowy Days
0
Dry Days
28
Rainfall
72
mm
Sun Hours
11.0
Hrs
