Castries weather forecast

• Sunday
  2nd Oct
  
  30
  26
  6
• Monday
  3rd Oct
  
  29
  27
  4
• Tuesday
  4th Oct
  
  29
  26
  4
• Wednesday
  5th Oct
  
  28
  26
  4
• Thursday
  6th Oct
  
  29
  27
  5

Last updated at 04:01 on Sunday 2nd October 2022 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.

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Castries weather forecast by day

Below are the detailed weather forecasts for Castries for the next 5 days.

Castries weather for Sunday 2nd October 2022

Below is the Castries weather forecast for Sunday 2nd October 2022. Expect broken clouds in Castries, St Lucia with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the east.

• 30
  °C maximum temperature
• 26
  °C minimum temperature
• 
  broken clouds
• 6
  hours of sunshine
• 11
  UV index (Extreme)
• 0
  mm of rainfall expected
• M
  moderate heat & humidity
• 16
  kph wind from E

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Castries weather for Monday 3rd October 2022

Below is the Castries weather forecast for Monday 3rd October 2022. Expect isolated thunderstorms in Castries, St Lucia with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 11+ (Extreme) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 73% chance of some rain and a gentle breeze of 15 kph from the east.

• 29
  °C maximum temperature
• 27
  °C minimum temperature
• 
  isolated thunderstorms
• 4
  hours of sunshine
• 11
  UV index (Extreme)
• 73
  % chance of some rain
• <10
  mm of rainfall expected
• L
  low heat & humidity
• 15
  kph wind from E

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Castries weather for Tuesday 4th October 2022

Below is the Castries weather forecast for Tuesday 4th October 2022. Expect isolated thunderstorms in Castries, St Lucia with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 87% chance of some rain and a gentle breeze of 19 kph from the north-east.

• 29
  °C maximum temperature
• 26
  °C minimum temperature
• 
  isolated thunderstorms
• 4
  hours of sunshine
• 10
  UV index (Very High)
• 87
  % chance of some rain
• <10
  mm of rainfall expected
• L
  low heat & humidity
• 19
  kph wind from NE

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Castries weather for Wednesday 5th October 2022

Below is the Castries weather forecast for Wednesday 5th October 2022. Expect isolated thunderstorms in Castries, St Lucia with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 4 hours of bright sunshine. There are 20-30 mm of rainfall expected with 99% chance of some rain and a moderate breeze of 23 kph from the east.

• 28
  °C maximum temperature
• 26
  °C minimum temperature
• 
  isolated thunderstorms
• 4
  hours of sunshine
• 8
  UV index (Very High)
• 99
  % chance of some rain
• <30
  mm of rainfall expected
• L
  low heat & humidity
• 23
  kph wind from E

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Castries weather for Thursday 6th October 2022

Below is the Castries weather forecast for Thursday 6th October 2022. Expect isolated thunderstorms in Castries, St Lucia with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 11 (Extreme) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 86% chance of some rain and a moderate breeze of 23 kph from the east.

• 29
  °C maximum temperature
• 27
  °C minimum temperature
• 
  isolated thunderstorms
• 5
  hours of sunshine
• 11
  UV index (Extreme)
• 86
  % chance of some rain
• <20
  mm of rainfall expected
• L
  low heat & humidity
• 23
  kph wind from E

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Sandals sale: up to £150 off Caribbean holidays

Discount Code

• Save EXTRA £150 on all inclusive Caribbean holidays
• £150 off 10 nights or more & £100 off 7-9 nights
• Travel before 31st December 2025 (inclusive)

Show discount code ******100

Redeem Sandals discount code >>

Expires at 23:59 on Monday 3rd Oct 2022 · View all Sandals offers

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

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