St Lucia weather live forecast

Today's maximum temperature in St Lucia is expected to be 19°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 Saturday 26th July 2025 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 Saturday 26th July 2025

Expect isolated thunderstorms in St Lucia, South Africa with a maximum temperature of 19°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 49% chance of some rain and a gentle breeze of 18 kph from the south.

  • 19°C maximum temperature19
    °C maximum temperature
  • 15°C minimum temperature15
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 49% chance of some rain49
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 19°C wind chill19
    °C wind chill
  • Gentle breeze of 18 kph from the South18
    kph wind from S

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St Lucia weather for Sunday 27th July 2025

Expect mostly cloudy with rain in St Lucia, South Africa with a maximum temperature of 17°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 65% chance of some rain and a fresh breeze of 33 kph from the south.

  • 17°C maximum temperature17
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 65% chance of some rain65
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 33 kph from the South33
    kph wind from S

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St Lucia weather for Monday 28th July 2025

Expect scattered clouds in St Lucia, South Africa with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-east.

  • 18°C maximum temperature18
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 16 kph from the North-East16
    kph wind from NE

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St Lucia weather for Tuesday 29th July 2025

Expect clear skies in St Lucia, South Africa with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the north.

  • 20°C maximum temperature20
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Clear skies
    clear skies
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 22 kph from the North22
    kph wind from N

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St Lucia weather for Wednesday 30th July 2025

Expect clear skies in St Lucia, South Africa with a maximum temperature of 22°C, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the north.

  • 22°C maximum temperature22
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Clear skies
    clear skies
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 22°C wind chill22
    °C wind chill
  • Moderate breeze of 25 kph from the North25
    kph wind from N

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

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