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St Lucia weather live forecast
Today's maximum temperature in St Lucia is expected to be 31°C. Select a day from the live weather forecast for St Lucia (Castries) for more weather parameters.
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Sunday
26th Oct
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Monday
27th Oct
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Tuesday
28th Oct -
Wednesday
29th Oct -
Thursday
30th Oct
5-day weather forecast updated at 04:00 on Sunday 26th October 2025 GMT
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The 5-day weather forecast for St Lucia (Castries) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.
Top St Lucia destinations
Below are temperatures expected today at popular countries, regions and places in St Lucia. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.
All St Lucia destinations
- Anse la Raye
- Cap Estate
- Castries
- Choc Bay
- Grand Anse
- Gros Islet
- Marigot Bay
- Morgan Bay
- Reduit Beach
- Rodney Bay
- Soufriere
- Vieux Fort
St Lucia weather forecast by day
Below are the detailed weather forecasts for St Lucia for the next 5 days. The forecasts shown are for Castries and may not represent the whole of St Lucia. Browse more destinations in St Lucia to view more weather forecasts.
St Lucia weather for Sunday 26th October 2025
Expect broken clouds in St Lucia with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the east.
- °C maximum temperature
- °C minimum temperature
-
broken clouds
- hours of sunshine
- UV index (Very High)
- mm of rainfall expected
- moderate heat & humidity
- kph wind from E
St Lucia weather for Monday 27th October 2025
Expect isolated thunderstorms in St Lucia with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 49% chance of some rain and a gentle breeze of 17 kph from the east.
- °C maximum temperature
- °C minimum temperature
-
isolated thunderstorms
- hours of sunshine
- UV index (Very High)
- % chance of some rain
- mm of rainfall expected
- moderate heat & humidity
- kph wind from E
St Lucia weather for Tuesday 28th October 2025
Expect broken clouds in St Lucia with a maximum temperature of 32°C, 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 gentle breeze of 16 kph from the east.
- °C maximum temperature
- °C minimum temperature
-
broken clouds
- hours of sunshine
- UV index (Very High)
- mm of rainfall expected
- moderate heat & humidity
- kph wind from E
St Lucia weather for Wednesday 29th October 2025
Expect isolated thunderstorms in St Lucia with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 44% chance of some rain and a gentle breeze of 15 kph from the east.
- °C maximum temperature
- °C minimum temperature
-
isolated thunderstorms
- hours of sunshine
- UV index (Very High)
- % chance of some rain
- mm of rainfall expected
- moderate heat & humidity
- kph wind from E
St Lucia weather for Thursday 30th October 2025
Expect isolated thunderstorms in St Lucia with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 56% chance of some rain and a gentle breeze of 15 kph from the east.
- °C maximum temperature
- °C minimum temperature
-
isolated thunderstorms
- hours of sunshine
- UV index (Extreme)
- % chance of some rain
- mm of rainfall expected
- moderate heat & humidity
- kph wind from E
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Metric (°C / mm) | Imperial (°F / inches)
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