Castries weather forecast

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Last updated at 04:02 on Monday 28th September 2020 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.

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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 Monday 28th September 2020

Below is the Castries weather forecast for Monday 28th September 2020. Expect isolated thunderstorms in Castries, St Lucia with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 95% chance of some rain and a moderate breeze of 22 kph from the east.

  • 31°C maximum temperature31
    °C maximum temperature
  • 27°C minimum temperature27
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 95% chance of some rain95
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 22 kph from the East22
    kph wind from E

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Castries weather for Tuesday 29th September 2020

Below is the Castries weather forecast for Tuesday 29th September 2020. Expect isolated thunderstorms in Castries, St Lucia with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 97% chance of some rain and a gentle breeze of 16 kph from the east.

  • 31°C maximum temperature31
    °C maximum temperature
  • 28°C minimum temperature28
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 97% chance of some rain97
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    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 Wednesday 30th September 2020

Below is the Castries weather forecast for Wednesday 30th September 2020. Expect isolated thunderstorms in Castries, St Lucia with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 98% chance of some rain and a gentle breeze of 15 kph from the east.

  • 31°C maximum temperature31
    °C maximum temperature
  • 28°C minimum temperature28
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 98% chance of some rain98
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 15 kph from the East15
    kph wind from E

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Castries weather for Thursday 1st October 2020

Below is the Castries weather forecast for Thursday 1st October 2020. Expect isolated thunderstorms in Castries, St Lucia with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 99% chance of some rain and a moderate breeze of 23 kph from the east.

  • 31°C maximum temperature31
    °C maximum temperature
  • 28°C minimum temperature28
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 99% chance of some rain99
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 23 kph from the East23
    kph wind from E

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Castries weather for Friday 2nd October 2020

Below is the Castries weather forecast for Friday 2nd October 2020. Expect isolated thunderstorms in Castries, St Lucia with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 30-40 mm of rainfall expected with 94% chance of some rain and a moderate breeze of 25 kph from the south-east.

  • 30°C maximum temperature30
    °C maximum temperature
  • 28°C minimum temperature28
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 94% chance of some rain94
    % chance of some rain
  • 30-40 mm of rainfall expected<40
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 25 kph from the South-East25
    kph wind from SE

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

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