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.

  • Saturday
    16th May
    Mostly cloudy with rain (5-10 mm of rainfall expected)
  • Sunday
    17th May
    Broken clouds
  • Monday
    18th May
    Mostly cloudy with light rain (0-2 mm of rainfall expected)
  • Tuesday
    19th May
    Mostly cloudy with light rain (0-2 mm of rainfall expected)
  • Wednesday
    20th May
    Mostly cloudy with light rain (0-2 mm of rainfall expected)

5-day weather forecast updated at 04:00 on Saturday 16th 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 Saturday 16th May 2026

Expect mostly cloudy with rain in St John's, Newfoundland & Labrador with a maximum temperature of 10°C, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 65% chance of some rain and a fresh breeze of 38 kph from the south-west.

  • 10°C maximum temperature10
    °C maximum temperature
  • 5°C minimum temperature5
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 65% chance of some rain65
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 38 kph from the South-West38
    kph wind from SW

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St John's weather for Sunday 17th May 2026

Expect broken clouds in St John's, Newfoundland & Labrador with a maximum temperature of 16°C, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 40 kph from the west.

  • 16°C maximum temperature16
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Strong breeze of 40 kph from the West40
    kph wind from W

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St John's weather for Monday 18th May 2026

Expect mostly cloudy with light rain in St John's, Newfoundland & Labrador with a maximum temperature of 10°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 15% chance of some rain and a fresh breeze of 31 kph from the north-west.

  • 10°C maximum temperature10
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 15% chance of some rain15
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 31 kph from the North-West31
    kph wind from NW

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St John's weather for Tuesday 19th 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 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a fresh breeze of 29 kph from the north-west.

  • 9°C maximum temperature9
    °C maximum temperature
  • 3°C minimum temperature3
    °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)
  • 25% chance of some rain25
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 6°C wind chill6
    °C wind chill
  • Fresh breeze of 29 kph from the North-West29
    kph wind from NW

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St John's weather for Wednesday 20th May 2026

Expect mostly cloudy with light rain in St John's, Newfoundland & Labrador with a maximum temperature of 7°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 39% chance of some rain and a gentle breeze of 17 kph from the north.

  • 7°C maximum temperature7
    °C maximum temperature
  • 2°C minimum temperature2
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 39% chance of some rain39
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 4°C wind chill4
    °C wind chill
  • Gentle breeze of 17 kph from the North17
    kph wind from N

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