The weather in Oslo in October is very cold with temperatures between 4°C and 10°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Oslo 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.
Please note that Oslo can expect a few days of snow in October.
Our weather forecast can give you a great sense of what weather to expect in Oslo in October 2025.
If you’re planning to visit Oslo in the near future, we highly recommend that you review the 14 day weather forecast for Oslo before you arrive.