- Explore latest special offers & online deals from TUI
- Book summer & winter sun holidays in 2021/2022
- Free child places & £0 deposits with Direct Debit
Castries weather forecast
Get the latest coronavirus (Covid-19) updates for St Lucia with current travel advice, vaccine statistics and online resources.
-
Thursday
22nd Apr -
Friday
23rd Apr -
Saturday
24th Apr -
Sunday
25th Apr -
Monday
26th Apr
Last updated at 04:02 on Thursday 22nd April 2021 GMT
Recommended for St Lucia
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
The 5-day weather forecast for Castries, St Lucia is provided by the Swiss meteorological agency, MeteoBlue. Find out more about our data sources.
Castries weather forecast by day
Below are the detailed weather forecasts for Castries for the next 5 days.
Castries weather for Thursday 22nd April 2021
Below is the Castries weather forecast for Thursday 22nd April 2021. Expect broken clouds in Castries, St Lucia with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the east.
- °C maximum temperature
- °C minimum temperature
- broken clouds
- hours of sunshine
- UV index (Extreme)
- mm of rainfall expected
- moderate heat & humidity
- kph wind from E
Castries weather for Friday 23rd April 2021
Below is the Castries weather forecast for Friday 23rd April 2021. Expect broken clouds in Castries, St Lucia with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the east.
- °C maximum temperature
- °C minimum temperature
- broken clouds
- hours of sunshine
- UV index (Extreme)
- mm of rainfall expected
- moderate heat & humidity
- kph wind from E
Castries weather for Saturday 24th April 2021
Below is the Castries weather forecast for Saturday 24th April 2021. Expect broken clouds in Castries, St Lucia with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the east.
- °C maximum temperature
- °C minimum temperature
- broken clouds
- hours of sunshine
- UV index (Extreme)
- mm of rainfall expected
- moderate heat & humidity
- kph wind from E
Castries weather for Sunday 25th April 2021
Below is the Castries weather forecast for Sunday 25th April 2021. Expect broken clouds in Castries, St Lucia with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the east.
- °C maximum temperature
- °C minimum temperature
- broken clouds
- hours of sunshine
- UV index (Extreme)
- mm of rainfall expected
- low heat & humidity
- kph wind from E
Castries weather for Monday 26th April 2021
Below is the Castries weather forecast for Monday 26th April 2021. Expect broken clouds in Castries, St Lucia with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the east.
- °C maximum temperature
- °C minimum temperature
- broken clouds
- hours of sunshine
- UV index (Very High)
- mm of rainfall expected
- low heat & humidity
- kph wind from E
- Save up to 45% on all inclusive holidays to St Lucia
- Plus up to £700 off selected room types
- Travel before 4th December 2023 (inclusive)
Expires at 23:59 on Wednesday 28th Apr 2021 · View all Sandals offers
Holiday resort finder
Metric (°C / mm) | Imperial (°F / inches)
Be inspired
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Related posts
Popular travel offers
*affiliate links: find out how we are funded and why this helps us remain free to use.