Castries weather live forecast

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

Thursday
2nd Apr
30

25

7

11
Friday
3rd Apr
29

25

7

11
Saturday
4th Apr
30

25

7

11
Sunday
5th Apr
30

25

8

11
Monday
6th Apr
30

25

7

11

5-day weather forecast updated at 04:00 on Thursday 2nd April 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.

Castries weather forecast by day

Below are the detailed weather forecasts for Castries for the next 5 days.

Castries weather for Thursday 2nd April 2026

Expect sunshine and showers in Castries, 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 0-2 mm of rainfall expected with 11% chance of some rain and a gentle breeze of 14 kph from the east.

30
°C maximum temperature
25
°C minimum temperature
sunshine and showers
7
hours of sunshine
11
UV index (Extreme)
11
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from E

Castries weather for Friday 3rd April 2026

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 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 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
16
kph wind from E

Castries weather for Saturday 4th April 2026

Expect isolated thunderstorms in Castries, 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 0-2 mm of rainfall expected with 35% chance of some rain and a gentle breeze of 19 kph from the east.

30
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
11
UV index (Extreme)
35
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
19
kph wind from E

Castries weather for Sunday 5th April 2026

Expect scattered clouds in Castries, St Lucia with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the east.

30
°C maximum temperature
25
°C minimum temperature
scattered clouds
8
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
21
kph wind from E

Castries weather for Monday 6th April 2026

Expect broken clouds in Castries, 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 moderate breeze of 21 kph from the east.