St John weather live forecast

Today's maximum temperature in St John is expected to be 7°C. Select a day from the live weather forecast for St John, New Brunswick, Canada for more weather parameters.

  • Monday
    30th Mar
    Mostly cloudy with light rain (0-2 mm of rainfall expected)
  • Tuesday
    31st Mar
    Cloudy with sleet or snow (2-5 mm of rainfall expected)
  • Wednesday
    1st Apr
    Mostly cloudy with rain (10-20 mm of rainfall expected)
  • Thursday
    2nd Apr
    Mostly cloudy with light snow (0-2 cm of snow expected)
  • Friday
    3rd Apr
    Cloudy with some snow (20-30 cm of snow expected)

5-day weather forecast updated at 04:00 on Monday 30th March 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 Monday 30th March 2026

Expect mostly cloudy with light rain in St John, New Brunswick with a maximum temperature of 7°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 48% chance of some rain and a fresh breeze of 29 kph from the south.

  • 7°C maximum temperature7
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 48% chance of some rain48
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 2°C wind chill2
    °C wind chill
  • Fresh breeze of 29 kph from the South29
    kph wind from S

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St John weather for Tuesday 31st March 2026

Expect cloudy with sleet or snow in St John, New Brunswick with a maximum temperature of 5°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 2-5 mm of sleet/snow expected with 88% chance of some sleet or snow and a gentle breeze of 14 kph from the east.

  • 5°C maximum temperature5
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 88% chance of some sleet or snow88
    % chance of some sleet or snow
  • 2-5 mm of sleet/snow expected<5
    mm of sleet/snow expected
  • 2°C wind chill2
    °C wind chill
  • Gentle breeze of 14 kph from the East14
    kph wind from E

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St John weather for Wednesday 1st April 2026

Expect mostly cloudy with rain in St John, New Brunswick with a maximum temperature of 6°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 91% chance of some rain and a gentle breeze of 17 kph from the north-west.

  • 6°C maximum temperature6
    °C maximum temperature
  • 0°C minimum temperature0
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 91% chance of some rain91
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 3°C wind chill3
    °C wind chill
  • Gentle breeze of 17 kph from the North-West17
    kph wind from NW

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St John weather for Thursday 2nd April 2026

Expect mostly cloudy with light snow in St John, New Brunswick with a maximum temperature of 2°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0-2 cm of snow expected with 41% chance of some snow and a gentle breeze of 14 kph from the north-east.

  • 2°C maximum temperature2
    °C maximum temperature
  • -3°C minimum temperature-3
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 41% chance of some snow41
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -2°C wind chill-2
    °C wind chill
  • Gentle breeze of 14 kph from the North-East14
    kph wind from NE

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St John weather for Friday 3rd April 2026

Expect cloudy with some snow in St John, New Brunswick with a maximum temperature of 0°C and no hours of bright sunshine. There are 20-30 cm of snow expected with 98% chance of some snow and a gentle breeze of 17 kph from the east.

  • 0°C maximum temperature0
    °C maximum temperature
  • -2°C minimum temperature-2
    °C minimum temperature
  • Cloudy with some snow
    cloudy with some snow
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 98% chance of some snow98
    % chance of some snow
  • 20-30 cm of snow expected<30
    cm of snow expected
  • -4°C wind chill-4
    °C wind chill
  • Gentle breeze of 17 kph from the East17
    kph wind from E

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

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