Grand Portage weather live forecast

Today's maximum temperature in Grand Portage is expected to be 27°C. Select a day from the live weather forecast for Grand Portage, Minnesota, USA for more weather parameters.

5-day weather forecast updated at 04:03 on Friday 15th August 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 Friday 15th August 2025

Expect isolated thunderstorms in Grand Portage, Minnesota with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 30% chance of some rain and a gentle breeze of 17 kph from the south-west.

  • 27°C maximum temperature27
    °C maximum temperature
  • 18°C minimum temperature18
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 30% chance of some rain30
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 17 kph from the South-West17
    kph wind from SW

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Grand Portage weather for Saturday 16th August 2025

Expect isolated thunderstorms in Grand Portage, Minnesota with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 21% chance of some rain and a light breeze of 12 kph from the north-east.

  • 21°C maximum temperature21
    °C maximum temperature
  • 12°C minimum temperature12
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 21% chance of some rain21
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 21°C wind chill21
    °C wind chill
  • Light breeze of 12 kph from the North-East12
    kph wind from NE

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Grand Portage weather for Sunday 17th August 2025

Expect mostly cloudy with light rain in Grand Portage, Minnesota with a maximum temperature of 15°C, maximum UV of 7 (High) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 20% chance of some rain and a gentle breeze of 19 kph from the east.

  • 15°C maximum temperature15
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 20% chance of some rain20
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 19 kph from the East19
    kph wind from E

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Grand Portage weather for Monday 18th August 2025

Expect broken clouds in Grand Portage, Minnesota with a maximum temperature of 18°C, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the east.

  • 18°C maximum temperature18
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 16 kph from the East16
    kph wind from E

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Grand Portage weather for Tuesday 19th August 2025

Expect scattered clouds in Grand Portage, Minnesota with a maximum temperature of 19°C, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the east.

  • 19°C maximum temperature19
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 19°C wind chill19
    °C wind chill
  • Light breeze of 11 kph from the East11
    kph wind from E

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

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