Gros Islet weather live forecast

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

Thursday
19th Mar
29

25

7

11
Friday
20th Mar
29

25

7

11
Saturday
21st Mar
29

24

7

11
Sunday
22nd Mar
28

24

4

11
Monday
23rd Mar
29

25

7

11

5-day weather forecast updated at 04:03 on Thursday 19th March 2026 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 Thursday 19th March 2026

Expect sunshine and showers in Gros Islet, 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 0-2 mm of rainfall expected with 38% chance of some rain and a gentle breeze of 17 kph from the east.

29
°C maximum temperature
25
°C minimum temperature
sunshine and showers
7
hours of sunshine
11
UV index (Extreme)
38
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
17
kph wind from E

Gros Islet weather for Friday 20th March 2026

Expect broken clouds in Gros Islet, 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 15 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
15
kph wind from E

Gros Islet weather for Saturday 21st March 2026

Expect broken clouds in Gros Islet, 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
24
°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

Gros Islet weather for Sunday 22nd March 2026

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 11+ (Extreme) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 55% chance of some rain and a gentle breeze of 13 kph from the east.