St John's weather live forecast

Today's maximum temperature in St John's is expected to be 22°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 Saturday 22nd 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 Saturday 22nd August 2026

Expect scattered clouds in St John's, Newfoundland & Labrador with a maximum temperature of 22°C, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the west.

  • 22°C maximum temperature22
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 22°C wind chill22
    °C wind chill
  • Gentle breeze of 17 kph from the West17
    kph wind from W

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St John's weather for Sunday 23rd August 2026

Expect broken clouds in St John's, Newfoundland & Labrador with a maximum temperature of 21°C, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south.

  • 21°C maximum temperature21
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 21°C wind chill21
    °C wind chill
  • Gentle breeze of 14 kph from the South14
    kph wind from S

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St John's weather for Monday 24th August 2026

Expect mostly cloudy with light rain in St John's, Newfoundland & Labrador with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 34% chance of some rain and a moderate breeze of 23 kph from the south.

  • 19°C maximum temperature19
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 34% chance of some rain34
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 19°C wind chill19
    °C wind chill
  • Moderate breeze of 23 kph from the South23
    kph wind from S

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St John's weather for Tuesday 25th August 2026

Expect mostly cloudy with rain in St John's, Newfoundland & Labrador with a maximum temperature of 23°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 57% chance of some rain and a moderate breeze of 25 kph from the south-west.

  • 23°C maximum temperature23
    °C maximum temperature
  • 19°C minimum temperature19
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 57% chance of some rain57
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 25 kph from the South-West25
    kph wind from SW

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St John's weather for Wednesday 26th August 2026

Expect sunshine and showers in St John's, Newfoundland & Labrador with a maximum temperature of 21°C, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 19% chance of some rain and a moderate breeze of 26 kph from the south-west.

  • 21°C maximum temperature21
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 19% chance of some rain19
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 26 kph from the South-West26
    kph wind from SW

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