St Lucia weather live forecast

Today's maximum temperature in St Lucia is expected to be 30°C. Select a day from the live weather forecast for St Lucia (Castries) for more weather parameters.

Friday
6th Feb
30

25

7

10
Saturday
7th Feb
30

25

7

11
Sunday
8th Feb
29

24

7

9
Monday
9th Feb
29

24

6

11
Tuesday
10th Feb
29

25

4

11

5-day weather forecast updated at 04:01 on Friday 6th February 2026 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.

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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 Friday 6th February 2026

Expect scattered clouds in St Lucia with a maximum temperature of 30°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 light breeze of 10 kph from the east.

30
°C maximum temperature
25
°C minimum temperature
scattered clouds
7
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
10
kph wind from E

St Lucia weather for Saturday 7th February 2026

Expect broken clouds in St Lucia with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the east.

30
°C maximum temperature
25
°C minimum temperature
broken clouds
7
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
5
kph wind from E

St Lucia weather for Sunday 8th February 2026

Expect broken clouds in St Lucia with a maximum temperature of 29°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 little or no wind of 6 kph from the east.

29
°C maximum temperature
24
°C minimum temperature
broken clouds
7
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
6
kph wind from E

St Lucia weather for Monday 9th February 2026

Expect sunshine and showers in 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 0-2 mm of rainfall expected with 40% chance of some rain and a light breeze of 9 kph from the east.

29
°C maximum temperature
24
°C minimum temperature
sunshine and showers
6
hours of sunshine
11
UV index (Extreme)
40
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
9
kph wind from E

St Lucia weather for Tuesday 10th February 2026

Expect mostly cloudy with rain in St Lucia with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 64% chance of some rain and a light breeze of 12 kph from the east.