St John's weather live forecast

Today's maximum temperature in St John's is expected to be 13°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 04:01 on Wednesday 18th March 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 Wednesday 18th March 2026

Expect cloudy with sleet or snow in St John's, Newfoundland & Labrador with a maximum temperature of 13°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 2-5 mm of sleet/snow expected with 85% chance of some sleet or snow and a moderate gale of 54 kph from the south-west.

  • 13°C maximum temperature13
    °C maximum temperature
  • -4°C minimum temperature-4
    °C minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 85% chance of some sleet or snow85
    % chance of some sleet or snow
  • 2-5 mm of sleet/snow expected<5
    mm of sleet/snow expected
  • 13°C wind chill13
    °C wind chill
  • Moderate gale of 54 kph from the South-West54
    kph wind from SW

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St John's weather for Thursday 19th March 2026

Expect broken clouds in St John's, Newfoundland & Labrador with a maximum temperature of -4°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 25 kph from the east.

  • -4°C maximum temperature-4
    °C maximum temperature
  • -6°C minimum temperature-6
    °C minimum temperature
  • Broken clouds
    broken clouds
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 cm of snow expected0
    cm of snow expected
  • -10°C wind chill-10
    °C wind chill
  • Moderate breeze of 25 kph from the East25
    kph wind from E

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St John's weather for Friday 20th March 2026

Expect mostly cloudy with snow in St John's, Newfoundland & Labrador with a maximum temperature of -1°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 5-10 cm of snow expected with 53% chance of some snow and a fresh breeze of 29 kph from the north-east.

  • -1°C maximum temperature-1
    °C maximum temperature
  • -3°C minimum temperature-3
    °C minimum temperature
  • Mostly cloudy with snow
    mostly cloudy with snow
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 53% chance of some snow53
    % chance of some snow
  • 5-10 cm of snow expected<10
    cm of snow expected
  • -8°C wind chill-8
    °C wind chill
  • Fresh breeze of 29 kph from the North-East29
    kph wind from NE

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St John's weather for Saturday 21st March 2026

Expect broken clouds in St John's, Newfoundland & Labrador with a maximum temperature of 3°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the south-west.

  • 3°C maximum temperature3
    °C maximum temperature
  • -3°C minimum temperature-3
    °C 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
  • -2°C wind chill-2
    °C wind chill
  • Moderate breeze of 24 kph from the South-West24
    kph wind from SW

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St John's weather for Sunday 22nd March 2026

Expect scattered clouds in St John's, Newfoundland & Labrador with a maximum temperature of 2°C, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 32 kph from the south.

  • 2°C maximum temperature2
    °C maximum temperature
  • -2°C minimum temperature-2
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -4°C wind chill-4
    °C wind chill
  • Fresh breeze of 32 kph from the South32
    kph wind from S

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

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