St Lucia weather forecast

• Tuesday
  7th Dec
  
  28
  26
  5
• Wednesday
  8th Dec
  
  29
  25
  4
• Thursday
  9th Dec
  
  29
  26
  5
• Friday
  10th Dec
  
  29
  26
  5
• Saturday
  11th Dec
  
  29
  26
  5

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.

• 29
  Castries
• 29
  Gros Islet
• 29
  Rodney Bay
• 27
  Soufriere

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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 temperature
• 26
  °C minimum temperature
• 
  isolated thunderstorms
• 5
  hours of sunshine
• 7
  UV index (High)
• 82
  % chance of some rain
• <5
  mm of rainfall expected
• L
  low heat & humidity
• 25
  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 temperature
• 25
  °C minimum temperature
• 
  isolated thunderstorms
• 4
  hours of sunshine
• 7
  UV index (High)
• 68
  % chance of some rain
• <2
  mm of rainfall expected
• M
  moderate heat & humidity
• 25
  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 temperature
• 26
  °C minimum temperature
• 
  broken clouds
• 5
  hours of sunshine
• 8
  UV index (Very High)
• 0
  mm of rainfall expected
• M
  moderate heat & humidity
• 23
  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 temperature
• 26
  °C minimum temperature
• 
  isolated thunderstorms
• 5
  hours of sunshine
• 8
  UV index (Very High)
• 48
  % chance of some rain
• <2
  mm of rainfall expected
• M
  moderate heat & humidity
• 21
  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 temperature
• 26
  °C minimum temperature
• 
  isolated thunderstorms
• 5
  hours of sunshine
• 8
  UV index (Very High)
• 82
  % chance of some rain
• <5
  mm of rainfall expected
• M
  moderate heat & humidity
• 21
  kph wind from NE

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TUI: Top deals on St Lucia holidays

Sale

• Check out top holiday deals for St Lucia
• Book online & save up to 7% on holidays
• Pay £0 deposits with direct debit

Go to TUI deal >>

View all TUI offers

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

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