St Lucia weather live forecast

Today's maximum temperature in St Lucia is expected to be 32°C. Select a day from the live weather forecast for St Lucia, South Africa for more weather parameters.

5-day weather forecast updated at 04:03 on Friday 20th March 2026 GMT

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

St Lucia weather forecast by day

Below are the detailed weather forecasts for St Lucia for the next 5 days.

St Lucia weather for Friday 20th March 2026

Expect scattered clouds in St Lucia, South Africa with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the north.

  • 32°C maximum temperature32
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Moderate breeze of 24 kph from the North24
    kph wind from N

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St Lucia weather for Saturday 21st March 2026

Expect isolated thunderstorms in St Lucia, South Africa with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 7 (High) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 49% chance of some rain and a moderate breeze of 22 kph from the south-west.

  • 26°C maximum temperature26
    °C maximum temperature
  • 23°C minimum temperature23
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 49% chance of some rain49
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Moderate breeze of 22 kph from the South-West22
    kph wind from SW

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St Lucia weather for Sunday 22nd March 2026

Expect isolated thunderstorms in St Lucia, South Africa with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 29% chance of some rain and a gentle breeze of 14 kph from the north-east.

  • 28°C maximum temperature28
    °C maximum temperature
  • 23°C minimum temperature23
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 29% chance of some rain29
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 14 kph from the North-East14
    kph wind from NE

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St Lucia weather for Monday 23rd March 2026

Expect isolated thunderstorms in St Lucia, South Africa with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 88% chance of some rain and a gentle breeze of 15 kph from the north.

  • 30°C maximum temperature30
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 88% chance of some rain88
    % 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 North15
    kph wind from N

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St Lucia weather for Tuesday 24th March 2026

Expect isolated thunderstorms in St Lucia, South Africa with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 70% chance of some rain and a gentle breeze of 16 kph from the south-west.

  • 27°C maximum temperature27
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 70% chance of some rain70
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 16 kph from the South-West16
    kph wind from SW

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  • Find last minute deals or early bird discounts
  • Filter offers by price, destination, ship & departure point
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Metric (°C / mm)  |  Imperial (°F / inches)

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