Fort St. John weather live forecast

Today's maximum temperature in Fort St. John is expected to be 18°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 14th August 2026 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 Friday 14th August 2026

Expect broken clouds in Fort St. John, British Columbia with a maximum temperature of 18°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 east.

  • 18°C maximum temperature18
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Broken clouds
    broken 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
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 9 kph from the East9
    kph wind from E

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Fort St. John weather for Saturday 15th August 2026

Expect scattered clouds in Fort St. John, British Columbia with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-west.

  • 21°C maximum temperature21
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 13 hours of bright sunshine13
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 21°C wind chill21
    °C wind chill
  • Light breeze of 9 kph from the South-West9
    kph wind from SW

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Fort St. John weather for Sunday 16th August 2026

Expect isolated thunderstorms in Fort St. John, British Columbia with a maximum temperature of 22°C, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 53% chance of some rain and a gentle breeze of 15 kph from the north.

  • 22°C maximum temperature22
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 53% chance of some rain53
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 15 kph from the North15
    kph wind from N

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Fort St. John weather for Monday 17th August 2026

Expect mostly cloudy with light rain 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 2-5 mm of rainfall expected with 37% chance of some rain and a light breeze of 10 kph from the south.

  • 19°C maximum temperature19
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 37% chance of some rain37
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 19°C wind chill19
    °C wind chill
  • Light breeze of 10 kph from the South10
    kph wind from S

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Fort St. John weather for Tuesday 18th August 2026

Expect broken clouds in Fort St. John, British Columbia with a maximum temperature of 24°C, maximum UV of 5 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-west.

  • 24°C maximum temperature24
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 24°C wind chill24
    °C wind chill
  • Gentle breeze of 17 kph from the South-West17
    kph wind from SW

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