St John weather live forecast

Tomorrow's maximum temperature in St John is expected to be 8°C.

  • Saturday
    12th Apr
    Mostly cloudy with light rain (0-2 mm of rainfall expected)
  • Sunday
    13th Apr
    Cloudy with some rain (20-30 mm of rainfall expected)
  • Monday
    14th Apr
    Mostly cloudy with rain (5-10 mm of rainfall expected)
  • Tuesday
    15th Apr
    Mostly cloudy with rain (5-10 mm of rainfall expected)
  • Wednesday
    16th Apr
    Mostly cloudy with light rain (2-5 mm of rainfall expected)

5-day weather forecast updated at 04:00 on Saturday 12th April 2025 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 Saturday 12th April 2025

Expect mostly cloudy with light rain in St John, New Brunswick with a maximum temperature of 8°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 50% chance of some rain and a light breeze of 11 kph from the east.

  • 8°C maximum temperature8
    °C maximum temperature
  • -3°C minimum temperature-3
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 50% chance of some rain50
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 6°C wind chill6
    °C wind chill
  • Light breeze of 11 kph from the East11
    kph wind from E

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St John weather for Sunday 13th April 2025

Expect cloudy with some rain in St John, New Brunswick with a maximum temperature of 3°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 97% chance of some rain and a moderate breeze of 21 kph from the north-east.

  • 3°C maximum temperature3
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Cloudy with some rain
    cloudy with some rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 97% chance of some rain97
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • -1°C wind chill-1
    °C wind chill
  • Moderate breeze of 21 kph from the North-East21
    kph wind from NE

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St John weather for Monday 14th April 2025

Expect mostly cloudy with rain in St John, New Brunswick with a maximum temperature of 7°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 35% chance of some rain and a moderate breeze of 21 kph from the north.

  • 7°C maximum temperature7
    °C maximum temperature
  • 0°C minimum temperature0
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 35% chance of some rain35
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 4°C wind chill4
    °C wind chill
  • Moderate breeze of 21 kph from the North21
    kph wind from N

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St John weather for Tuesday 15th April 2025

Expect mostly cloudy with rain in St John, New Brunswick with a maximum temperature of 5°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 74% chance of some rain and a gentle breeze of 13 kph from the south-east.

  • 5°C maximum temperature5
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 74% chance of some rain74
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 2°C wind chill2
    °C wind chill
  • Gentle breeze of 13 kph from the South-East13
    kph wind from SE

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St John weather for Wednesday 16th April 2025

Expect mostly cloudy with light rain in St John, New Brunswick with a maximum temperature of 6°C, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 57% chance of some rain and a gentle breeze of 19 kph from the south-west.

  • 6°C maximum temperature6
    °C maximum temperature
  • 3°C minimum temperature3
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 57% chance of some rain57
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 3°C wind chill3
    °C wind chill
  • Gentle breeze of 19 kph from the South-West19
    kph wind from SW

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

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