Grand Portage weather in October 2025

Expect 11°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Grand Portage in October. Check more long-term weather averages for Grand Portage in October before you book your next holiday to Minnesota in 2025/2026.

  • 11°C maximum daytime temperature in October in Grand Portage11
    11°C max day temperature
  • 4 hours of sunshine per day
  • 11 days with some rainfall in October in Grand Portage11
    11 days with some rainfall
  • 1°C minimum night-time temperature in October in Grand Portage1
    1°C min night temperature
  • 11 hours of daylight per day in October in Grand Portage11
    11 hours of daylight per day
  • No heat & humidity in October in Grand Portage0
    No heat & humidity
  • 64 mm monthly rainfall in October in Grand Portage64
    64 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in October in Grand Portage3
    3 (Moderate) UV index
  • 8°C sea temperature in October in Grand Portage8
    8°C sea temperature

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The October weather guide for Minnesota (Grand Portage) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How warm is it in Grand Portage in October?

Daytime temperatures usually reach 11°C in Grand Portage in October, falling to 1°C at night.

How sunny is it in Grand Portage in October?

There are normally 4 hours of bright sunshine each day in Grand Portage in October - that's 38% of daylight hours.

Is the sea cold around Grand Portage in October?

The average sea temperature around Grand Portage in October is 8°C.

Does it rain in Grand Portage in October?

There are usually 11 days with some rain in Grand Portage in October and the average monthly rainfall is 64mm.

Grand Portage October sunrise & sunset times

Browse the sunrise and sunset times for Grand Portage in October 2025. Select a month to view Grand Portage sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 05:58 17:37
Thursday, 16th October 2025 06:20 17:08
Friday, 31st October 2025 06:43 16:41

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