Castries weather forecast

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Last updated at 04:02 on Tuesday 3rd August 2021 GMT

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The 5-day weather forecast for Castries, St Lucia is provided by the Swiss meteorological agency, MeteoBlue. Find out more about our data sources.

Castries weather forecast by day

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

Castries weather for Tuesday 3rd August 2021

Below is the Castries weather forecast for Tuesday 3rd August 2021. 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 14 kph from the east.

  • 30°C maximum temperature30
    °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 11 (Extreme)11
    UV index (Extreme)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 14 kph from the East14
    kph wind from E

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Castries weather for Wednesday 4th August 2021

Below is the Castries weather forecast for Wednesday 4th August 2021. Expect broken clouds in Castries, St Lucia with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the east.

  • 30°C maximum temperature30
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 17 kph from the East17
    kph wind from E

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Castries weather for Thursday 5th August 2021

Below is the Castries weather forecast for Thursday 5th August 2021. 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 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the east.

  • 30°C maximum temperature30
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 16 kph from the East16
    kph wind from E

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Castries weather for Friday 6th August 2021

Below is the Castries weather forecast for Friday 6th August 2021. Expect scattered 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 19 kph from the east.

  • 30°C maximum temperature30
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 19 kph from the East19
    kph wind from E

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Castries weather for Saturday 7th August 2021

Below is the Castries weather forecast for Saturday 7th August 2021. Expect isolated thunderstorms 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 0-2 mm of rainfall expected with 46% chance of some rain and a gentle breeze of 15 kph from the north-east.

  • 30°C maximum temperature30
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 46% chance of some rain46
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 15 kph from the North-East15
    kph wind from NE

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

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