St Lucia Weather Forecast

Check the St Lucia weather forecast for the next 5 days before you head off on holiday. The 5-day forecast shows the prevailing weather conditions, maximum & minimum temperatures, hours of sunshine per day, wind speed & direction and more.

Tomorrow's maximum temperature in St Lucia is expected to be 30°C. The 5-day weather forecast for St Lucia shown below is for Castries.

Last updated at 16:00 on Thursday 25th May 2017 GMT

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

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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 25th May 2017

Below is the St Lucia weather forecast for Thursday 25th May 2017. Expect sunshine and showers in St Lucia with a maximum temperature of 28°C, low levels of heat & humidity and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 25% chance of some rain and a moderate breeze of 27 kph from the east.

  • 28
    °C maximum temperature
  • 15
    °C minimum temperature
  • sunshine and showers
  • 5
    hours of sunshine
  • 25
    % chance of some rain
  • <5
    mm of rainfall expected
  • L
    low heat & humidity
  • 27
    kph wind from E

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St Lucia weather for Friday 26th May 2017

Below is the St Lucia weather forecast for Friday 26th May 2017. Expect scattered clouds in St Lucia with a maximum temperature of 30°C, moderate levels of heat & humidity and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the east.

  • 30
    °C maximum temperature
  • 26
    °C minimum temperature
  • scattered clouds
  • 6
    hours of sunshine
  • 0
    mm of rainfall expected
  • M
    moderate heat & humidity
  • 26
    kph wind from E

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St Lucia weather for Saturday 27th May 2017

Below is the St Lucia weather forecast for Saturday 27th May 2017. Expect scattered clouds in St Lucia with a maximum temperature of 30°C, moderate levels of heat & humidity and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the east.

  • 30
    °C maximum temperature
  • 27
    °C minimum temperature
  • scattered clouds
  • 5
    hours of sunshine
  • 0
    mm of rainfall expected
  • M
    moderate heat & humidity
  • 24
    kph wind from E

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St Lucia weather for Sunday 28th May 2017

Below is the St Lucia weather forecast for Sunday 28th May 2017. Expect isolated thunderstorms in St Lucia with a maximum temperature of 29°C, moderate levels of heat & humidity and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 46% chance of some rain and a fresh breeze of 29 kph from the east.

  • 29
    °C maximum temperature
  • 27
    °C minimum temperature
  • isolated thunderstorms
  • 3
    hours of sunshine
  • 46
    % chance of some rain
  • <10
    mm of rainfall expected
  • M
    moderate heat & humidity
  • 29
    kph wind from E

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St Lucia weather for Monday 29th May 2017

Below is the St Lucia weather forecast for Monday 29th May 2017. Expect broken clouds in St Lucia with a maximum temperature of 30°C, moderate levels of heat & humidity and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 30 kph from the east.

  • 30
    °C maximum temperature
  • 27
    °C minimum temperature
  • broken clouds
  • 2
    hours of sunshine
  • 0
    mm of rainfall expected
  • M
    moderate heat & humidity
  • 30
    kph wind from E

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  • Save up to 10% on holidays to St Lucia
  • Book online with Thomson to receive discount
  • FREE kids places & low deposits also available

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St Lucia weather by month

Check St Lucia weather for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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