St John weather live forecast

Tomorrow's maximum temperature in St John is expected to be 46°F.

5-day weather forecast updated at 04:00 on Wednesday 16th 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 Wednesday 16th April 2025

Expect sunshine and showers in St John, New Brunswick with a maximum temperature of 46°F, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 53% chance of some rain and a moderate breeze of 17 mph from the south-west.

  • 46°F maximum temperature46
    °F maximum temperature
  • 37°F minimum temperature37
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 53% chance of some rain53
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 39°F wind chill39
    °F wind chill
  • Moderate breeze of 17 mph from the South-West17
    mph 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 46°F, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 12 mph from the west.

  • 46°F maximum temperature46
    °F maximum temperature
  • 36°F minimum temperature36
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 41°F wind chill41
    °F wind chill
  • Gentle breeze of 12 mph from the West12
    mph 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 48°F, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the west.

  • 48°F maximum temperature48
    °F maximum temperature
  • 32°F minimum temperature32
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 43°F wind chill43
    °F wind chill
  • Gentle breeze of 11 mph from the West11
    mph wind from W

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St John weather for Saturday 19th April 2025

Expect mostly cloudy with rain in St John, New Brunswick with a maximum temperature of 46°F, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 80% chance of some rain and a moderate breeze of 17 mph from the south.

  • 46°F maximum temperature46
    °F maximum temperature
  • 39°F minimum temperature39
    °F minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 80% chance of some rain80
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 39°F wind chill39
    °F wind chill
  • Moderate breeze of 17 mph from the South17
    mph wind from S

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St John weather for Sunday 20th April 2025

Expect sunshine and showers in St John, New Brunswick with a maximum temperature of 48°F, maximum UV of 5 (Moderate) and 10 hours of bright sunshine. There are 0-2 mm of rainfall expected with 26% chance of some rain and a moderate breeze of 15 mph from the north-west.

  • 48°F maximum temperature48
    °F maximum temperature
  • 37°F minimum temperature37
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 26% chance of some rain26
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 41°F wind chill41
    °F wind chill
  • Moderate breeze of 15 mph from the North-West15
    mph wind from NW

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