St Lucia weather live forecast

Tomorrow's maximum temperature in St Lucia is expected to be 27°C.

• Saturday
  15th Feb
  
  27
  25
  5
• Sunday
  16th Feb
  
  28
  25
  6
• Monday
  17th Feb
  
  29
  25
  7
• Tuesday
  18th Feb
  
  28
  25
  6
• Wednesday
  19th Feb
  
  29
  25
  6

5-day weather forecast updated at 04:00 on Saturday 15th February 2025 GMT

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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.

Top St Lucia destinations

Below are temperatures expected today at popular countries, regions and places in St Lucia. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.

• 28
  Soufriere
• 27
  Castries
• 27
  Gros Islet
• 27
  Rodney Bay

All St Lucia destinations

• Anse la Raye
• Cap Estate
• Castries
• Choc Bay
• Grand Anse
• Gros Islet
• Marigot Bay
• Morgan Bay
• Reduit Beach
• Rodney Bay
• Soufriere
• Vieux Fort

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 Saturday 15th February 2025

Expect sunshine and showers in St Lucia with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 82% chance of some rain and a moderate breeze of 23 kph from the east.

• 27
  °C maximum temperature
• 25
  °C minimum temperature
• 
  sunshine and showers
• 5
  hours of sunshine
• 10
  UV index (Very High)
• 82
  % chance of some rain
• <10
  mm of rainfall expected
• L
  low heat & humidity
• 23
  kph wind from E

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St Lucia weather for Sunday 16th February 2025

Expect sunshine and showers in St Lucia with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 51% chance of some rain and a moderate breeze of 24 kph from the east.

• 28
  °C maximum temperature
• 25
  °C minimum temperature
• 
  sunshine and showers
• 6
  hours of sunshine
• 9
  UV index (Very High)
• 51
  % chance of some rain
• <5
  mm of rainfall expected
• L
  low heat & humidity
• 24
  kph wind from E

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St Lucia weather for Monday 17th February 2025

Expect sunshine and showers in St Lucia with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 7 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.

• 29
  °C maximum temperature
• 25
  °C minimum temperature
• 
  sunshine and showers
• 7
  hours of sunshine
• 10
  UV index (Very High)
• 49
  % chance of some rain
• <2
  mm of rainfall expected
• M
  moderate heat & humidity
• 21
  kph wind from E

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St Lucia weather for Tuesday 18th February 2025

Expect sunshine and showers in St Lucia with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 63% chance of some rain and a gentle breeze of 19 kph from the east.

• 28
  °C maximum temperature
• 25
  °C minimum temperature
• 
  sunshine and showers
• 6
  hours of sunshine
• 10
  UV index (Very High)
• 63
  % chance of some rain
• <10
  mm of rainfall expected
• L
  low heat & humidity
• 19
  kph wind from E

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St Lucia weather for Wednesday 19th February 2025

Expect sunshine and showers in St Lucia with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 55% chance of some rain and a moderate breeze of 20 kph from the east.

• 29
  °C maximum temperature
• 25
  °C minimum temperature
• 
  sunshine and showers
• 6
  hours of sunshine
• 10
  UV index (Very High)
• 55
  % chance of some rain
• <5
  mm of rainfall expected
• M
  moderate heat & humidity
• 20
  kph wind from E

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Discount Code

• Save up to £300 on package holidays in 2025/2026
• Book in TUI sale. Discount varies by spend. T&Cs apply
• Travel between 1st May 2025 & 31st Oct 2026 (inclusive)

Show discount code ******ALE

Redeem TUI discount code >>

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

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