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
13th Feb
30

26

7

9
Saturday
14th Feb
30

25

7

10
Sunday
15th Feb
30

25

7

11
Monday
16th Feb
29

25

7

11
Tuesday
17th Feb
29

25

6

11

5-day weather forecast updated at 04:00 on Friday 13th February 2026 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

Sandals: up to 55% off + extra 5% off

Sale

Save up to 55% on Caribbean holiday accommodation
Plus save up to £800 off select rooms & durations
Extra 5% discount on selected resorts

Go to Sandals deal >>

Expires at 23:59 on Saturday 28th Feb 2026 · View all Sandals offers

Holiday resort finder

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 Friday 13th February 2026

Expect scattered 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 gentle breeze of 17 kph from the east.

30
°C maximum temperature
26
°C minimum temperature
scattered clouds
7
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
17
kph wind from E

St Lucia weather for Saturday 14th February 2026

Expect broken 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 11 kph from the east.

30
°C maximum temperature
25
°C minimum temperature
broken clouds
7
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
11
kph wind from E

St Lucia weather for Sunday 15th 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 a gentle breeze of 15 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
15
kph wind from E

St Lucia weather for Monday 16th February 2026

Expect broken clouds in St Lucia with a maximum temperature of 29°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 a gentle breeze of 19 kph from the east.

29
°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
19
kph wind from E

St Lucia weather for Tuesday 17th February 2026

Expect broken clouds 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 mm of rainfall expected and a gentle breeze of 18 kph from the east.