Gros Islet weather live forecast

Today's maximum temperature in Gros Islet is expected to be 88°F. Select a day from the live weather forecast for Gros Islet, St Lucia for more weather parameters.

Saturday
16th May
88

79

7

11
Sunday
17th May
88

79

6

11
Monday
18th May
88

79

6

10
Tuesday
19th May
88

81

8

11
Wednesday
20th May
88

81

8

11

5-day weather forecast updated at 04:02 on Saturday 16th May 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 Saturday 16th May 2026

Expect broken clouds in Gros Islet, St Lucia with a maximum temperature of 88°F, 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 13 mph from the east.

88
°F maximum temperature
79
°F minimum temperature
broken clouds
7
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
13
mph wind from E

Gros Islet weather for Sunday 17th May 2026

Expect isolated thunderstorms in Gros Islet, St Lucia with a maximum temperature of 88°F, 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 52% chance of some rain and a moderate breeze of 14 mph from the east.

88
°F maximum temperature
79
°F minimum temperature
isolated thunderstorms
6
hours of sunshine
11
UV index (Extreme)
52
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
14
mph wind from E

Gros Islet weather for Monday 18th May 2026

Expect isolated thunderstorms in Gros Islet, St Lucia with a maximum temperature of 88°F, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 70% chance of some rain and a moderate breeze of 13 mph from the east.

88
°F maximum temperature
79
°F minimum temperature
isolated thunderstorms
6
hours of sunshine
10
UV index (Very High)
70
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
13
mph wind from E

Gros Islet weather for Tuesday 19th May 2026

Expect isolated thunderstorms in Gros Islet, St Lucia with a maximum temperature of 88°F, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 46% chance of some rain and a moderate breeze of 13 mph from the east.

88
°F maximum temperature
81
°F minimum temperature
isolated thunderstorms
8
hours of sunshine
11
UV index (Extreme)
46
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
13
mph wind from E

Gros Islet weather for Wednesday 20th May 2026

Expect broken clouds in Gros Islet, St Lucia with a maximum temperature of 88°F, 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 12 mph from the east.