Gros Islet weather live forecast

Today's maximum temperature in Gros Islet is expected to be 28°C. Select a day from the live weather forecast for Gros Islet, St Lucia for more weather parameters.

Saturday
20th Dec
28

26

6

8
Sunday
21st Dec
28

25

5

8
Monday
22nd Dec
29

25

6

8
Tuesday
23rd Dec
28

25

5

7
Wednesday
24th Dec
28

25

6

9

5-day weather forecast updated at 04:03 on Saturday 20th December 2025 GMT

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The 5-day weather forecast for St Lucia (Gros Islet) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Gros Islet weather forecast by day

Below are the detailed weather forecasts for Gros Islet for the next 5 days.

Gros Islet weather for Saturday 20th December 2025

Expect broken clouds in Gros Islet, St Lucia with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the east.

28
°C maximum temperature
26
°C minimum temperature
broken clouds
6
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
15
kph wind from E

Gros Islet weather for Sunday 21st December 2025

Expect isolated thunderstorms in Gros Islet, St Lucia with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 55% chance of some rain and a gentle breeze of 15 kph from the east.

28
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
8
UV index (Very High)
55
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
15
kph wind from E

Gros Islet weather for Monday 22nd December 2025

Expect broken clouds in Gros Islet, St Lucia with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the east.

29
°C maximum temperature
25
°C minimum temperature
broken clouds
6
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from E

Gros Islet weather for Tuesday 23rd December 2025

Expect mostly cloudy with light rain in Gros Islet, St Lucia with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 73% chance of some rain and a gentle breeze of 14 kph from the east.

28
°C maximum temperature
25
°C minimum temperature
mostly cloudy with light rain
5
hours of sunshine
7
UV index (High)
73
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
14
kph wind from E

Gros Islet weather for Wednesday 24th December 2025

Expect isolated thunderstorms in Gros Islet, St Lucia with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 59% chance of some rain and a gentle breeze of 13 kph from the east.