St Lucia weather forecast

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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 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 20th April 2021

Below is the St Lucia weather forecast for Tuesday 20th April 2021. Expect scattered clouds in St Lucia with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 11+ (Extreme) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the east.

  • 28°C maximum temperature28
    °C maximum temperature
  • 25°C minimum temperature25
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 11+ (Extreme)11
    UV index (Extreme)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Moderate breeze of 25 kph from the East25
    kph wind from E

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St Lucia weather for Wednesday 21st April 2021

Below is the St Lucia weather forecast for Wednesday 21st April 2021. Expect scattered clouds in St Lucia with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 11 (Extreme) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the east.

  • 28°C maximum temperature28
    °C maximum temperature
  • 25°C minimum temperature25
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Moderate breeze of 24 kph from the East24
    kph wind from E

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St Lucia weather for Thursday 22nd April 2021

Below is the St Lucia weather forecast for Thursday 22nd April 2021. Expect isolated thunderstorms in St Lucia with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 49% chance of some rain and a moderate breeze of 22 kph from the east.

  • 29°C maximum temperature29
    °C maximum temperature
  • 25°C minimum temperature25
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 49% chance of some rain49
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Moderate breeze of 22 kph from the East22
    kph wind from E

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St Lucia weather for Friday 23rd April 2021

Below is the St Lucia weather forecast for Friday 23rd April 2021. Expect isolated thunderstorms in St Lucia with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 11 (Extreme) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 32% chance of some rain and a moderate breeze of 23 kph from the east.

  • 28°C maximum temperature28
    °C maximum temperature
  • 25°C minimum temperature25
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 32% chance of some rain32
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Moderate breeze of 23 kph from the East23
    kph wind from E

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St Lucia weather for Saturday 24th April 2021

Below is the St Lucia weather forecast for Saturday 24th April 2021. Expect isolated thunderstorms in St Lucia with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 11+ (Extreme) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 49% chance of some rain and a moderate breeze of 21 kph from the east.

  • 28°C maximum temperature28
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 11+ (Extreme)11
    UV index (Extreme)
  • 49% chance of some rain49
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Moderate breeze of 21 kph from the East21
    kph wind from E

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

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