Fort Simpson weather live forecast

Today's maximum temperature in Fort Simpson is expected to be 21°C. Select a day from the live weather forecast for Fort Simpson, Northwest Territories, Canada for more weather parameters.

5-day weather forecast updated at 04:01 on Sunday 17th August 2025 GMT

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The 5-day weather forecast for Northwest Territories (Fort Simpson) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Fort Simpson weather forecast by day

Below are the detailed weather forecasts for Fort Simpson for the next 5 days.

Fort Simpson weather for Saturday 16th August 2025

Expect broken clouds in Fort Simpson, Northwest Territories with a maximum temperature of 21°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south-east.

  • 21°C maximum temperature21
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 19 kph from the South-East19
    kph wind from SE

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Fort Simpson weather for Sunday 17th August 2025

Expect mostly cloudy with light rain in Fort Simpson, Northwest Territories with a maximum temperature of 16°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 83% chance of some rain and a light breeze of 8 kph from the north-east.

  • 16°C maximum temperature16
    °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 1 (Low)1
    UV index (Low)
  • 83% chance of some rain83
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 16°C wind chill16
    °C wind chill
  • Light breeze of 8 kph from the North-East8
    kph wind from NE

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Fort Simpson weather for Monday 18th August 2025

Expect mostly cloudy with light rain in Fort Simpson, Northwest Territories with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 46% chance of some rain and a light breeze of 8 kph from the north-west.

  • 19°C maximum temperature19
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 46% chance of some rain46
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 19°C wind chill19
    °C wind chill
  • Light breeze of 8 kph from the North-West8
    kph wind from NW

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Fort Simpson weather for Tuesday 19th August 2025

Expect broken clouds in Fort Simpson, Northwest Territories with a maximum temperature of 23°C, maximum UV of 3 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-east.

  • 23°C maximum temperature23
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 23°C wind chill23
    °C wind chill
  • Light breeze of 11 kph from the South-East11
    kph wind from SE

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Fort Simpson weather for Wednesday 20th August 2025

Expect mostly cloudy with light rain in Fort Simpson, Northwest Territories with a maximum temperature of 20°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 56% chance of some rain and a gentle breeze of 14 kph from the north.

  • 20°C maximum temperature20
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 56% chance of some rain56
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 20°C wind chill20
    °C wind chill
  • Gentle breeze of 14 kph from the North14
    kph wind from N

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

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