Gros Islet weather live forecast

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

Tuesday
17th Feb
30

25

6

11
Wednesday
18th Feb
29

25

6

10
Thursday
19th Feb
30

25

7

10
Friday
20th Feb
29

25

6

11
Saturday
21st Feb
30

25

7

11

5-day weather forecast updated at 04:05 on Tuesday 17th February 2026 GMT

More about Gros Islet

Gros Islet 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 (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 Tuesday 17th February 2026

Expect broken clouds in Gros Islet, 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 gentle breeze of 18 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
18
kph wind from E

Gros Islet weather for Wednesday 18th February 2026

Expect broken clouds in Gros Islet, St Lucia with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 6 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
6
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
16
kph wind from E

Gros Islet weather for Thursday 19th February 2026

Expect sunshine and showers in Gros Islet, 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 0-2 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
sunshine and showers
7
hours of sunshine
10
UV index (Very High)
35
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
19
kph wind from E

Gros Islet weather for Friday 20th February 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 6 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
6
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
21
kph wind from E

Gros Islet weather for Saturday 21st February 2026

Expect scattered clouds in Gros Islet, 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 20 kph from the east.