St John weather live forecast

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

  • Tuesday
    15th Apr
    Mostly cloudy with rain (5-10 mm of rainfall expected)
  • Wednesday
    16th Apr
    Mostly cloudy with rain (5-10 mm of rainfall expected)
  • Thursday
    17th Apr
    Broken clouds
  • Friday
    18th Apr
    Scattered clouds
  • Saturday
    19th Apr
    Cloudy with some rain (10-20 mm of rainfall expected)

5-day weather forecast updated at 04:00 on Tuesday 15th 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 Tuesday 15th April 2025

Expect mostly cloudy with rain in St John, New Brunswick with a maximum temperature of 8°C, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 100% chance of some rain and a gentle breeze of 13 kph from the south-east.

  • 8°C maximum temperature8
    °C maximum temperature
  • -1°C minimum temperature-1
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 100% chance of some rain100
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 5°C wind chill5
    °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 rain in St John, New Brunswick with a maximum temperature of 7°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 41% chance of some rain and a moderate breeze of 26 kph from the south-west.

  • 7°C maximum temperature7
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 41% chance of some rain41
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 3°C wind chill3
    °C wind chill
  • Moderate breeze of 26 kph from the South-West26
    kph wind from SW

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St John weather for Thursday 17th April 2025

Expect broken clouds in St John, New Brunswick with a maximum temperature of 8°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the west.

  • 8°C maximum temperature8
    °C maximum temperature
  • 2°C minimum temperature2
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 5°C wind chill5
    °C wind chill
  • Gentle breeze of 19 kph from the West19
    kph wind from W

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St John weather for Friday 18th April 2025

Expect scattered clouds in St John, New Brunswick with a maximum temperature of 9°C, maximum UV of 5 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the west.

  • 9°C maximum temperature9
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Scattered clouds
    scattered 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
  • 7°C wind chill7
    °C wind chill
  • Gentle breeze of 16 kph from the West16
    kph wind from W

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St John weather for Saturday 19th April 2025

Expect cloudy with some rain in St John, New Brunswick with a maximum temperature of 7°C, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 74% chance of some rain and a fresh breeze of 29 kph from the south.

  • 7°C maximum temperature7
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Cloudy with some rain
    cloudy with some rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 74% chance of some rain74
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 3°C wind chill3
    °C wind chill
  • Fresh breeze of 29 kph from the South29
    kph wind from S

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

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