St John's weather live forecast

Today's maximum temperature in St John's is expected to be 16°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 Sunday 9th August 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 Sunday 9th August 2026

Expect broken clouds in St John's, Newfoundland & Labrador with a maximum temperature of 16°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north.

  • 16°C maximum temperature16
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 15 kph from the North15
    kph wind from N

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St John's weather for Monday 10th August 2026

Expect overcast skies in St John's, Newfoundland & Labrador with a maximum temperature of 15°C, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south-east.

  • 15°C maximum temperature15
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Overcast skies
    overcast skies
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 18 kph from the South-East18
    kph wind from SE

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St John's weather for Tuesday 11th August 2026

Expect broken clouds in St John's, Newfoundland & Labrador with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south.

  • 18°C maximum temperature18
    °C maximum temperature
  • 12°C minimum temperature12
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 18°C wind chill18
    °C wind chill
  • Gentle breeze of 18 kph from the South18
    kph wind from S

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St John's weather for Wednesday 12th August 2026

Expect mostly cloudy with light rain in St John's, Newfoundland & Labrador with a maximum temperature of 18°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 68% chance of some rain and a moderate breeze of 22 kph from the south.

  • 18°C maximum temperature18
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 68% chance of some rain68
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 18°C wind chill18
    °C wind chill
  • Moderate breeze of 22 kph from the South22
    kph wind from S

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St John's weather for Thursday 13th August 2026

Expect broken clouds in St John's, Newfoundland & Labrador with a maximum temperature of 21°C, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the south-west.

  • 21°C maximum temperature21
    °C maximum temperature
  • 15°C minimum temperature15
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 22 kph from the South-West22
    kph wind from SW

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