St Lucia weather forecast

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Below are temperatures expected tomorrow at popular destinations in St Lucia. Select a destination to see the 5-day weather forecast.

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The 5-day weather forecast for 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. 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 Monday 26th July 2021

Below is the St Lucia weather forecast for Monday 26th July 2021. Expect isolated thunderstorms in St Lucia with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 45% chance of some rain and a gentle breeze of 19 kph from the east.

30
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
8
UV index (Very High)
45
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
19
kph wind from E

St Lucia weather for Tuesday 27th July 2021

Below is the St Lucia weather forecast for Tuesday 27th July 2021. Expect scattered clouds in St Lucia with a maximum temperature of 30°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 gentle breeze of 18 kph from the east.

30
°C maximum temperature
26
°C minimum temperature
scattered clouds
6
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
18
kph wind from E

St Lucia weather for Wednesday 28th July 2021

Below is the St Lucia weather forecast for Wednesday 28th July 2021. Expect scattered clouds in St Lucia with a maximum temperature of 29°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.

29
°C maximum temperature
26
°C minimum temperature
scattered clouds
6
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
20
kph wind from E

St Lucia weather for Thursday 29th July 2021

Below is the St Lucia weather forecast for Thursday 29th July 2021. 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 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 54% chance of some rain and a moderate breeze of 23 kph from the east.

30
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
9
UV index (Very High)
54
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
23
kph wind from E

St Lucia weather for Friday 30th July 2021

Below is the St Lucia weather forecast for Friday 30th July 2021. Expect isolated thunderstorms in 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 2-5 mm of rainfall expected with 78% chance of some rain and a moderate breeze of 24 kph from the east.