St John weather live forecast

Today's maximum temperature in St John is expected to be 2°C. Select a day from the live weather forecast for St John, New Brunswick, Canada for more weather parameters.

5-day weather forecast updated at 04:01 on Wednesday 18th February 2026 GMT

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

St John weather forecast by day

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

St John weather for Wednesday 18th February 2026

Expect cloudy with sleet or snow in St John, New Brunswick with a maximum temperature of 2°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0-2 mm of sleet/snow expected with 12% chance of some sleet or snow and a moderate breeze of 20 kph from the north-west.

  • 2°C maximum temperature2
    °C maximum temperature
  • -4°C minimum temperature-4
    °C minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 12% chance of some sleet or snow12
    % chance of some sleet or snow
  • 0-2 mm of sleet/snow expected<2
    mm of sleet/snow expected
  • -2°C wind chill-2
    °C wind chill
  • Moderate breeze of 20 kph from the North-West20
    kph wind from NW

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St John weather for Thursday 19th February 2026

Expect scattered clouds in St John, New Brunswick with a maximum temperature of 2°C, maximum UV of 2 (Low) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north-west.

  • 2°C maximum temperature2
    °C maximum temperature
  • -6°C minimum temperature-6
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -2°C wind chill-2
    °C wind chill
  • Gentle breeze of 15 kph from the North-West15
    kph wind from NW

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St John weather for Friday 20th February 2026

Expect clear skies in St John, New Brunswick with a maximum temperature of 0°C, maximum UV of 2 (Low) and 10 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 13 kph from the north-west.

  • 0°C maximum temperature0
    °C maximum temperature
  • -8°C minimum temperature-8
    °C minimum temperature
  • Clear skies
    clear skies
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 cm of snow expected0
    cm of snow expected
  • -4°C wind chill-4
    °C wind chill
  • Gentle breeze of 13 kph from the North-West13
    kph wind from NW

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St John weather for Saturday 21st February 2026

Expect broken clouds in St John, New Brunswick with a maximum temperature of -4°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 17 kph from the north.

  • -4°C maximum temperature-4
    °C maximum temperature
  • -9°C minimum temperature-9
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 cm of snow expected0
    cm of snow expected
  • -9°C wind chill-9
    °C wind chill
  • Gentle breeze of 17 kph from the North17
    kph wind from N

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St John weather for Sunday 22nd February 2026

Expect scattered clouds in St John, New Brunswick with a maximum temperature of 1°C, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the north.

  • 1°C maximum temperature1
    °C maximum temperature
  • -7°C minimum temperature-7
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -4°C wind chill-4
    °C wind chill
  • Gentle breeze of 18 kph from the North18
    kph wind from N

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

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