Castries weather live forecast

Today's maximum temperature in Castries is expected to be 29°C. Select a day from the live weather forecast for Castries, St Lucia for more weather parameters.

Wednesday
25th Feb
29

25

6

11
Thursday
26th Feb
29

25

7

11
Friday
27th Feb
30

25

6

11
Saturday
28th Feb
29

25

6

11
Sunday
1st Mar
29

25

6

11

5-day weather forecast updated at 04:01 on Wednesday 25th 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.

Castries weather forecast by day

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

Castries weather for Wednesday 25th February 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 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the east.

29
°C maximum temperature
25
°C minimum temperature
broken clouds
6
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
22
kph wind from E

Castries weather for Thursday 26th February 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 moderate breeze of 21 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
21
kph wind from E

Castries weather for Friday 27th February 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 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the east.

30
°C maximum temperature
25
°C minimum temperature
broken clouds
6
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
22
kph wind from E

Castries weather for Saturday 28th February 2026

Expect sunshine and showers 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 0-2 mm of rainfall expected with 60% chance of some rain and a moderate breeze of 26 kph from the east.

29
°C maximum temperature
25
°C minimum temperature
sunshine and showers
6
hours of sunshine
11
UV index (Extreme)
60
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
26
kph wind from E

Castries weather for Sunday 1st March 2026

Expect sunshine and showers 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 0-2 mm of rainfall expected with 61% chance of some rain and a moderate breeze of 26 kph from the east.