St Lucia weather live forecast

Today's maximum temperature in St Lucia is expected to be 29°C. Select a day from the live weather forecast for St Lucia (Castries) for more weather parameters.

5-day weather forecast updated at 04:00 on Saturday 8th November 2025 GMT

More about St Lucia

St Lucia by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for St Lucia

Just You: Book early for solo tours in 2026

  • Book early & save on holidays for solo travellers in 2026
  • Destinations include cities across Portugal & the USA
  • Filter offers by travel dates, price, holiday type & more
Go to Just You deal >>

View all Just You offers

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

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 Saturday 8th November 2025

Expect isolated thunderstorms in St Lucia with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 70% chance of some rain and a moderate breeze of 21 kph from the east.

  • 29°C maximum temperature29
    °C maximum temperature
  • 27°C minimum temperature27
    °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)
  • 70% chance of some rain70
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 21 kph from the East21
    kph wind from E

Back to top

St Lucia weather for Sunday 9th November 2025

Expect broken clouds in St Lucia with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the east.

  • 30°C maximum temperature30
    °C maximum temperature
  • 27°C minimum temperature27
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 23 kph from the East23
    kph wind from E

Back to top

St Lucia weather for Monday 10th November 2025

Expect broken clouds in St Lucia with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the east.

  • 30°C maximum temperature30
    °C maximum temperature
  • 27°C minimum temperature27
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 21 kph from the East21
    kph wind from E

Back to top

St Lucia weather for Tuesday 11th November 2025

Expect broken clouds in St Lucia with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the east.

  • 30°C maximum temperature30
    °C maximum temperature
  • 27°C minimum temperature27
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 20 kph from the East20
    kph wind from E

Back to top

St Lucia weather for Wednesday 12th November 2025

Expect isolated thunderstorms in St Lucia with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 69% chance of some rain and a moderate breeze of 20 kph from the east.

  • 30°C maximum temperature30
    °C maximum temperature
  • 27°C minimum temperature27
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 69% chance of some rain69
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 20 kph from the East20
    kph wind from E

Back to top

KAYAK: Top UK travel deals of the day

  • Save on UK travel with KAYAK's deals of the day
  • Find deals for destinations around the world
  • Filter by travel deal type, budget & month
Go to KAYAK deal >>

View all KAYAK offers

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

Back to top

More about St Lucia

Related posts

Popular travel offers

Explore holiday destinations

More holidays

Save with latest deals & discounts

More deals

Airport parking

More parking

Airport lounges

More lounges

Top ^