The weather in Grand Forks in October is very cold with temperatures between 4°C and 12°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Grand Forks 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 Grand Forks can expect a few days of snow in October.
Our weather forecast can give you a great sense of what weather to expect in Grand Forks in October 2025.
If you’re planning to visit Grand Forks in the near future, we highly recommend that you review the 14 day weather forecast for Grand Forks before you arrive.
Temperatures
12° / 4°
Rainy Days
5
Snowy Days
1
Dry Days
25
Rainfall
59
mm
Sun Hours
6.0
Hrs