St John weather live forecast

Tomorrow's maximum temperature in St John is expected to be 4°C.

  • Wednesday
    12th Mar
    Sunshine and showers (0-2 mm of rainfall expected)
  • Thursday
    13th Mar
    Broken clouds
  • Friday
    14th Mar
    Scattered clouds
  • Saturday
    15th Mar
    Broken clouds
  • Sunday
    16th Mar
    Overcast with light rain (2-5 mm of rainfall expected)

5-day weather forecast updated at 04:00 on Wednesday 12th March 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 Wednesday 12th March 2025

Expect sunshine and showers in St John, New Brunswick with a maximum temperature of 4°C, maximum UV of 4 (Moderate) and 10 hours of bright sunshine. There are 0-2 mm of rainfall expected with 4% chance of some rain and a moderate breeze of 24 kph from the north-west.

  • 4°C maximum temperature4
    °C maximum temperature
  • -6°C minimum temperature-6
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 4% chance of some rain4
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • -1°C wind chill-1
    °C wind chill
  • Moderate breeze of 24 kph from the North-West24
    kph wind from NW

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St John weather for Thursday 13th March 2025

Expect broken clouds in St John, New Brunswick with a maximum temperature of 0°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 9 kph from the north.

  • 0°C maximum temperature0
    °C maximum temperature
  • -8°C minimum temperature-8
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 cm of snow expected0
    cm of snow expected
  • -4°C wind chill-4
    °C wind chill
  • Light breeze of 9 kph from the North9
    kph wind from N

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St John weather for Friday 14th March 2025

Expect scattered clouds in St John, New Brunswick with a maximum temperature of 4°C, maximum UV of 4 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south.

  • 4°C maximum temperature4
    °C maximum temperature
  • -3°C minimum temperature-3
    °C minimum temperature
  • Scattered clouds
    scattered 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
  • 1°C wind chill1
    °C wind chill
  • Gentle breeze of 14 kph from the South14
    kph wind from S

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St John weather for Saturday 15th March 2025

Expect broken clouds in St John, New Brunswick with a maximum temperature of 6°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south.

  • 6°C maximum temperature6
    °C maximum temperature
  • 0°C minimum temperature0
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 4°C wind chill4
    °C wind chill
  • Gentle breeze of 13 kph from the South13
    kph wind from S

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St John weather for Sunday 16th March 2025

Expect overcast with light rain in St John, New Brunswick with a maximum temperature of 8°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 55% chance of some rain and a fresh breeze of 33 kph from the south.

  • 8°C maximum temperature8
    °C maximum temperature
  • 3°C minimum temperature3
    °C minimum temperature
  • Overcast with light rain
    overcast with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 55% chance of some rain55
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 4°C wind chill4
    °C wind chill
  • Fresh breeze of 33 kph from the South33
    kph wind from S

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

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