St Lucia weather forecast

Last updated at 04:01 on Thursday 26th May 2022 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 Thursday 26th May 2022

Below is the St Lucia weather forecast for Thursday 26th May 2022. Expect mostly cloudy with light rain in St Lucia with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 11 (Extreme) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 40% chance of some rain and a moderate breeze of 21 kph from the east.

  • 29°C maximum temperature29
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 40% chance of some rain40
    % 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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St Lucia weather for Friday 27th May 2022

Below is the St Lucia weather forecast for Friday 27th May 2022. Expect broken clouds in St Lucia with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the east.

  • 29°C maximum temperature29
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 18 kph from the East18
    kph wind from E

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St Lucia weather for Saturday 28th May 2022

Below is the St Lucia weather forecast for Saturday 28th May 2022. Expect broken clouds in St Lucia with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the east.

  • 29°C maximum temperature29
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 0 mm of rainfall expected0
    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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St Lucia weather for Sunday 29th May 2022

Below is the St Lucia weather forecast for Sunday 29th May 2022. Expect broken clouds in St Lucia with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the east.

  • 29°C maximum temperature29
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    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 Monday 30th May 2022

Below is the St Lucia weather forecast for Monday 30th May 2022. Expect broken clouds in St Lucia with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 11+ (Extreme) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the east.

  • 29°C maximum temperature29
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 7 hours of bright sunshine7
    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 21 kph from the East21
    kph wind from E

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  • Save EXTRA £200 on sailings to the Caribbean & USA
  • Visit Antigua, Barbados, Cuba, Jamaica, St Lucia & more
  • Travel between 1st Nov 2022 & 31st Oct 2023 (inclusive)
Show discount codeShow discount code ******200

Expires at 23:59 on Tuesday 31st May 2022 · View all Marella Cruises offers

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

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