The temperatures in Terni in October are quite cold with temperatures between 8°C and 21°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Terni 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 Terni in October 2026.
If you’re planning to visit Terni in the near future, we highly recommend that you review the 14 day weather forecast for Terni before you arrive.
Temperatures
21° / 8°
Rainy Days
3
Snowy Days
0
Dry Days
28
Rainfall
67
mm
Sun Hours
11.1
Hrs
