Gros Islet weather live forecast

Today's maximum temperature in Gros Islet is expected to be 90°F. Select a day from the live weather forecast for Gros Islet, St Lucia for more weather parameters.

5-day weather forecast updated at 04:03 on Saturday 18th October 2025 GMT

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The 5-day weather forecast for St Lucia (Gros Islet) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Gros Islet weather forecast by day

Below are the detailed weather forecasts for Gros Islet for the next 5 days.

Gros Islet weather for Saturday 18th October 2025

Expect broken clouds in Gros Islet, St Lucia with a maximum temperature of 90°F, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 13 mph from the east.

  • 90°F maximum temperature90
    °F maximum temperature
  • 81°F minimum temperature81
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 13 mph from the East13
    mph wind from E

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Gros Islet weather for Sunday 19th October 2025

Expect isolated thunderstorms in Gros Islet, St Lucia with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 63% chance of some rain and a moderate breeze of 14 mph from the east.

  • 86°F maximum temperature86
    °F maximum temperature
  • 81°F minimum temperature81
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 63% chance of some rain63
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 14 mph from the East14
    mph wind from E

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Gros Islet weather for Monday 20th October 2025

Expect isolated thunderstorms in Gros Islet, St Lucia with a maximum temperature of 88°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 78% chance of some rain and a moderate breeze of 13 mph from the east.

  • 88°F maximum temperature88
    °F maximum temperature
  • 81°F minimum temperature81
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 78% chance of some rain78
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 13 mph from the East13
    mph wind from E

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Gros Islet weather for Tuesday 21st October 2025

Expect isolated thunderstorms in Gros Islet, St Lucia with a maximum temperature of 88°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 20-30 mm of rainfall expected with 84% chance of some rain and a moderate breeze of 13 mph from the east.

  • 88°F maximum temperature88
    °F maximum temperature
  • 81°F minimum temperature81
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 84% chance of some rain84
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 13 mph from the East13
    mph wind from E

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Gros Islet weather for Wednesday 22nd October 2025

Expect isolated thunderstorms in Gros Islet, St Lucia with a maximum temperature of 88°F, 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 74% chance of some rain and a gentle breeze of 12 mph from the east.

  • 88°F maximum temperature88
    °F maximum temperature
  • 81°F minimum temperature81
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 74% chance of some rain74
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 12 mph from the East12
    mph wind from E

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