St John's weather live forecast

Today's maximum temperature in St John's is expected to be 14°C. Select a day from the live weather forecast for St John's, Newfoundland & Labrador, Canada for more weather parameters.

5-day weather forecast updated at 04:00 on Thursday 17th September 2026 GMT

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The 5-day weather forecast for Newfoundland & Labrador (St John's) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

St John's weather forecast by day

Below are the detailed weather forecasts for St John's for the next 5 days.

St John's weather for Friday 18th September 2026

Expect mostly cloudy with rain in St John's, Newfoundland & Labrador with a maximum temperature of 14°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 93% chance of some rain and a moderate breeze of 25 kph from the north-east.

  • 14°C maximum temperature14
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 93% chance of some rain93
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 14°C wind chill14
    °C wind chill
  • Moderate breeze of 25 kph from the North-East25
    kph wind from NE

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St John's weather for Saturday 19th September 2026

Expect mostly cloudy with rain in St John's, Newfoundland & Labrador with a maximum temperature of 12°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 36% chance of some rain and a strong breeze of 49 kph from the south-west.

  • 12°C maximum temperature12
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 36% chance of some rain36
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 12°C wind chill12
    °C wind chill
  • Strong breeze of 49 kph from the South-West49
    kph wind from SW

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St John's weather for Sunday 20th September 2026

Expect broken clouds in St John's, Newfoundland & Labrador with a maximum temperature of 11°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 32 kph from the north-west.

  • 11°C maximum temperature11
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 32 kph from the North-West32
    kph wind from NW

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St John's weather for Monday 21st September 2026

Expect mostly cloudy with light rain in St John's, Newfoundland & Labrador with a maximum temperature of 14°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 71% chance of some rain and a gentle breeze of 19 kph from the south-west.

  • 14°C maximum temperature14
    °C maximum temperature
  • 7°C minimum temperature7
    °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)
  • 71% chance of some rain71
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 19 kph from the South-West19
    kph wind from SW

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St John's weather for Tuesday 22nd September 2026

Expect mostly cloudy with rain in St John's, Newfoundland & Labrador with a maximum temperature of 12°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 58% chance of some rain and a fresh breeze of 34 kph from the north.

  • 12°C maximum temperature12
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 58% chance of some rain58
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 34 kph from the North34
    kph wind from N

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