St Lucia weather forecast

Last updated at 04:02 on Tuesday 7th December 2021 GMT

Below are temperatures expected tomorrow at popular destinations in St Lucia. Select a destination to see the 5-day weather forecast.

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The 5-day weather forecast for St Lucia (Castries) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

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St Lucia weather forecast by day

Below are the detailed weather forecasts for St Lucia for the next 5 days. The forecasts shown are for Castries and may not represent the whole of St Lucia. Browse more destinations in St Lucia to view more weather forecasts.

St Lucia weather for Tuesday 7th December 2021

Below is the St Lucia weather forecast for Tuesday 7th December 2021. Expect isolated thunderstorms in St Lucia with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 82% chance of some rain and a moderate breeze of 25 kph from the north-east.

  • 28°C maximum temperature28
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 82% chance of some rain82
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Moderate breeze of 25 kph from the North-East25
    kph wind from NE

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St Lucia weather for Wednesday 8th December 2021

Below is the St Lucia weather forecast for Wednesday 8th December 2021. Expect isolated thunderstorms in St Lucia with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 68% chance of some rain and a moderate breeze of 25 kph from the east.

  • 29°C maximum temperature29
    °C maximum temperature
  • 25°C minimum temperature25
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 68% chance of some rain68
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 25 kph from the East25
    kph wind from E

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St Lucia weather for Thursday 9th December 2021

Below is the St Lucia weather forecast for Thursday 9th December 2021. Expect broken clouds in St Lucia with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the north-east.

  • 29°C maximum temperature29
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 23 kph from the North-East23
    kph wind from NE

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St Lucia weather for Friday 10th December 2021

Below is the St Lucia weather forecast for Friday 10th December 2021. Expect isolated thunderstorms in St Lucia with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 48% chance of some rain and a moderate breeze of 21 kph from the north-east.

  • 29°C maximum temperature29
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 48% chance of some rain48
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 21 kph from the North-East21
    kph wind from NE

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St Lucia weather for Saturday 11th December 2021

Below is the St Lucia weather forecast for Saturday 11th December 2021. Expect isolated thunderstorms in St Lucia with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 82% chance of some rain and a moderate breeze of 21 kph from the north-east.

  • 29°C maximum temperature29
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 82% chance of some rain82
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 21 kph from the North-East21
    kph wind from NE

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

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