Fort St. John weather live forecast

Today's maximum temperature in Fort St. John is expected to be 17°C. Select a day from the live weather forecast for Fort St. John, British Columbia, Canada for more weather parameters.

5-day weather forecast updated at 04:01 on Friday 19th September 2025 GMT

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The 5-day weather forecast for British Columbia (Fort St. John) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Fort St. John weather forecast by day

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

Fort St. John weather for Thursday 18th September 2025

Expect sunshine and showers in Fort St. John, British Columbia with a maximum temperature of 17°C, maximum UV of 3 (Moderate) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected and a moderate breeze of 23 kph from the south-west.

  • 17°C maximum temperature17
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 23 kph from the South-West23
    kph wind from SW

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Fort St. John weather for Friday 19th September 2025

Expect sunshine and showers in Fort St. John, British Columbia with a maximum temperature of 20°C, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 11% chance of some rain and a moderate breeze of 22 kph from the south-west.

  • 20°C maximum temperature20
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 11% chance of some rain11
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 22 kph from the South-West22
    kph wind from SW

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Fort St. John weather for Saturday 20th September 2025

Expect broken clouds in Fort St. John, British Columbia with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the south-west.

  • 19°C maximum temperature19
    °C maximum temperature
  • 12°C minimum temperature12
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    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
  • Moderate breeze of 26 kph from the South-West26
    kph wind from SW

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Fort St. John weather for Sunday 21st September 2025

Expect scattered clouds in Fort St. John, British Columbia with a maximum temperature of 16°C, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 28 kph from the south-west.

  • 16°C maximum temperature16
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 7 hours of bright sunshine7
    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
  • Moderate breeze of 28 kph from the South-West28
    kph wind from SW

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Fort St. John weather for Monday 22nd September 2025

Expect mostly cloudy with light rain in Fort St. John, British Columbia with a maximum temperature of 14°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 21% chance of some rain and a moderate breeze of 27 kph from the south-west.

  • 14°C maximum temperature14
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 21% chance of some rain21
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 14°C wind chill14
    °C wind chill
  • Moderate breeze of 27 kph from the South-West27
    kph wind from SW

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

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