Grand Portage weather live forecast

Today's maximum temperature in Grand Portage is expected to be 24°C. Select a day from the live weather forecast for Grand Portage, Minnesota, USA for more weather parameters.

5-day weather forecast updated at 04:04 on Wednesday 17th September 2025 GMT

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The 5-day weather forecast for Minnesota (Grand Portage) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Grand Portage weather forecast by day

Below are the detailed weather forecasts for Grand Portage for the next 5 days.

Grand Portage weather for Wednesday 17th September 2025

Expect scattered clouds in Grand Portage, Minnesota with a maximum temperature of 24°C, maximum UV of 4 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north-west.

  • 24°C maximum temperature24
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 24°C wind chill24
    °C wind chill
  • Light breeze of 9 kph from the North-West9
    kph wind from NW

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Grand Portage weather for Thursday 18th September 2025

Expect broken clouds in Grand Portage, Minnesota with a maximum temperature of 16°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north-east.

  • 16°C maximum temperature16
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 11 kph from the North-East11
    kph wind from NE

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Grand Portage weather for Friday 19th September 2025

Expect mostly cloudy with light rain in Grand Portage, Minnesota with a maximum temperature of 14°C, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a gentle breeze of 15 kph from the east.

  • 14°C maximum temperature14
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 25% chance of some rain25
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 14°C wind chill14
    °C wind chill
  • Gentle breeze of 15 kph from the East15
    kph wind from E

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Grand Portage weather for Saturday 20th September 2025

Expect isolated thunderstorms in Grand Portage, Minnesota with a maximum temperature of 16°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 20-30 mm of rainfall expected with 60% chance of some rain and a light breeze of 11 kph from the south-east.

  • 16°C maximum temperature16
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 60% chance of some rain60
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 11 kph from the South-East11
    kph wind from SE

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Grand Portage weather for Sunday 21st September 2025

Expect isolated thunderstorms in Grand Portage, Minnesota with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 71% chance of some rain and a light breeze of 8 kph from the south.

  • 19°C maximum temperature19
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 71% chance of some rain71
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 19°C wind chill19
    °C wind chill
  • Light breeze of 8 kph from the South8
    kph wind from S

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

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