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 Sunday 5th 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 Sunday 5th October 2025

Expect isolated thunderstorms in Gros Islet, St Lucia with a maximum temperature of 90°F, high levels of heat & humidity, maximum UV of 11 (Extreme) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 64% chance of some rain and a light breeze of 5 mph from the east.

  • 90°F maximum temperature90
    °F maximum temperature
  • 81°F minimum temperature81
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 64% chance of some rain64
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Light breeze of 5 mph from the East5
    mph wind from E

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Gros Islet weather for Monday 6th 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 11 (Extreme) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 mph from the south.

  • 90°F maximum temperature90
    °F maximum temperature
  • 81°F minimum temperature81
    °F 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
  • Little or no wind of 4 mph from the South4
    mph wind from S

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Gros Islet weather for Tuesday 7th October 2025

Expect scattered clouds in Gros Islet, St Lucia with a maximum temperature of 90°F, high levels of heat & humidity, maximum UV of 11 (Extreme) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the east.

  • 90°F maximum temperature90
    °F maximum temperature
  • 81°F minimum temperature81
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Light breeze of 7 mph from the East7
    mph wind from E

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Gros Islet weather for Wednesday 8th October 2025

Expect isolated thunderstorms in Gros Islet, St Lucia with a maximum temperature of 90°F, high levels of heat & humidity, maximum UV of 11 (Extreme) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 75% chance of some rain and a gentle breeze of 9 mph from the east.

  • 90°F maximum temperature90
    °F maximum temperature
  • 82°F minimum temperature82
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 75% chance of some rain75
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 9 mph from the East9
    mph wind from E

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Gros Islet weather for Thursday 9th October 2025

Expect isolated thunderstorms in Gros Islet, St Lucia with a maximum temperature of 90°F, high levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 70% chance of some rain and a light breeze of 7 mph from the east.

  • 90°F maximum temperature90
    °F maximum temperature
  • 81°F minimum temperature81
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 70% chance of some rain70
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Light breeze of 7 mph from the East7
    mph wind from E

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