St John's weather live forecast

Today's maximum temperature in St John's is expected to be 10°C. Select a day from the live weather forecast for St John's, Newfoundland & Labrador, Canada for more weather parameters.

  • Tuesday
    12th May
    Cloudy with some rain (10-20 mm of rainfall expected)
  • Wednesday
    13th May
    Mostly cloudy with light rain (0-2 mm of rainfall expected)
  • Thursday
    14th May
    Scattered clouds
  • Friday
    15th May
    Mostly cloudy with light rain (0-2 mm of rainfall expected)
  • Saturday
    16th May
    Cloudy with some rain (10-20 mm of rainfall expected)

5-day weather forecast updated at 04:00 on Tuesday 12th May 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 Tuesday 12th May 2026

Expect cloudy with some rain in St John's, Newfoundland & Labrador with a maximum temperature of 10°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 99% chance of some rain and a fresh breeze of 37 kph from the south.

  • 10°C maximum temperature10
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Cloudy with some rain
    cloudy with some rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 99% chance of some rain99
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 37 kph from the South37
    kph wind from S

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St John's weather for Wednesday 13th May 2026

Expect mostly cloudy with light rain in St John's, Newfoundland & Labrador with a maximum temperature of 9°C, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 35% chance of some rain and a strong breeze of 45 kph from the south-west.

  • 9°C maximum temperature9
    °C maximum temperature
  • 5°C minimum temperature5
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 35% chance of some rain35
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 4°C wind chill4
    °C wind chill
  • Strong breeze of 45 kph from the South-West45
    kph wind from SW

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St John's weather for Thursday 14th May 2026

Expect scattered clouds in St John's, Newfoundland & Labrador with a maximum temperature of 14°C, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 35 kph from the west.

  • 14°C maximum temperature14
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    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
  • Fresh breeze of 35 kph from the West35
    kph wind from W

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St John's weather for Friday 15th May 2026

Expect mostly cloudy with light rain in St John's, Newfoundland & Labrador with a maximum temperature of 12°C, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 68% chance of some rain and a moderate breeze of 24 kph from the south-east.

  • 12°C maximum temperature12
    °C maximum temperature
  • 5°C minimum temperature5
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 68% chance of some rain68
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 12°C wind chill12
    °C wind chill
  • Moderate breeze of 24 kph from the South-East24
    kph wind from SE

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St John's weather for Saturday 16th May 2026

Expect cloudy with some rain in St John's, Newfoundland & Labrador with a maximum temperature of 9°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 82% chance of some rain and a moderate breeze of 25 kph from the north-east.

  • 9°C maximum temperature9
    °C maximum temperature
  • 5°C minimum temperature5
    °C minimum temperature
  • Cloudy with some rain
    cloudy with some rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 82% chance of some rain82
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 6°C wind chill6
    °C wind chill
  • Moderate breeze of 25 kph from the North-East25
    kph wind from NE

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