St John's weather live forecast

Today's maximum temperature in St John's is expected to be 9°C. Select a day from the live weather forecast for St John's, Newfoundland & Labrador, Canada for more weather parameters.

  • Monday
    18th May
    Broken clouds
  • Tuesday
    19th May
    Broken clouds
  • Wednesday
    20th May
    Mostly cloudy with light rain (2-5 mm of rainfall expected)
  • Thursday
    21st May
    Sunshine and showers (2-5 mm of rainfall expected)
  • Friday
    22nd May
    Sunshine and showers (0-2 mm of rainfall expected)

5-day weather forecast updated at 04:00 on Sunday 17th 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 Monday 18th May 2026

Expect broken clouds in St John's, Newfoundland & Labrador with a maximum temperature of 9°C, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 31 kph from the north-west.

  • 9°C maximum temperature9
    °C maximum temperature
  • 5°C minimum temperature5
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 6°C wind chill6
    °C wind chill
  • 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 broken clouds in St John's, Newfoundland & Labrador with a maximum temperature of 10°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the north-west.

  • 10°C maximum temperature10
    °C maximum temperature
  • 3°C minimum temperature3
    °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
  • 7°C wind chill7
    °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 6°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 51% chance of some rain and a moderate breeze of 26 kph from the south-east.

  • 6°C maximum temperature6
    °C maximum temperature
  • 2°C minimum temperature2
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 51% chance of some rain51
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 2°C wind chill2
    °C wind chill
  • Moderate breeze of 26 kph from the South-East26
    kph wind from SE

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St John's weather for Thursday 21st May 2026

Expect sunshine and showers in St John's, Newfoundland & Labrador with a maximum temperature of 11°C, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 24% chance of some rain and a moderate breeze of 24 kph from the west.

  • 11°C maximum temperature11
    °C maximum temperature
  • 2°C minimum temperature2
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 24% chance of some rain24
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 11°C wind chill11
    °C wind chill
  • Moderate breeze of 24 kph from the West24
    kph wind from W

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St John's weather for Friday 22nd May 2026

Expect sunshine and showers in St John's, Newfoundland & Labrador with a maximum temperature of 9°C, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0-2 mm of rainfall expected with 28% chance of some rain and a moderate breeze of 26 kph from the west.

  • 9°C maximum temperature9
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 28% chance of some rain28
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 5°C wind chill5
    °C wind chill
  • Moderate breeze of 26 kph from the West26
    kph wind from W

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