Grand Anse weather live forecast

Today's maximum temperature in Grand Anse is expected to be 86°F. Select a day from the live weather forecast for Grand Anse, St Lucia for more weather parameters.

Wednesday
20th May
86

81

6

UV11
Thursday
21st May
86

81

6

UV11
Friday
22nd May
88

81

7

UV10
Saturday
23rd May
88

81

5

UV11
Sunday
24th May
86

81

7

UV11

5-day weather forecast updated at 04:02 on Wednesday 20th May 2026 GMT

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

Grand Anse weather forecast by day

Below are the detailed weather forecasts for Grand Anse for the next 5 days.

Grand Anse weather for Wednesday 20th May 2026

Expect isolated thunderstorms in Grand Anse, St Lucia with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 43% chance of some rain and a moderate breeze of 12 mph from the east.

86
°F maximum temperature
81
°F minimum temperature
isolated thunderstorms
6
hours of sunshine
UV11
UV index (Extreme)
43
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
12
mph wind from E

Grand Anse weather for Thursday 21st May 2026

Expect isolated thunderstorms in Grand Anse, St Lucia with a maximum temperature of 86°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 40% chance of some rain and a gentle breeze of 11 mph from the east.

86
°F maximum temperature
81
°F minimum temperature
isolated thunderstorms
6
hours of sunshine
UV11
UV index (Extreme)
40
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
11
mph wind from E

Grand Anse weather for Friday 22nd May 2026

Expect isolated thunderstorms in Grand Anse, St Lucia with a maximum temperature of 88°F, 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 52% chance of some rain and a gentle breeze of 11 mph from the east.

88
°F maximum temperature
81
°F minimum temperature
isolated thunderstorms
7
hours of sunshine
UV10
UV index (Very High)
52
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
11
mph wind from E

Grand Anse weather for Saturday 23rd May 2026

Expect isolated thunderstorms in Grand Anse, St Lucia with a maximum temperature of 88°F, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 53% chance of some rain and a gentle breeze of 12 mph from the east.

88
°F maximum temperature
81
°F minimum temperature
isolated thunderstorms
5
hours of sunshine
UV11
UV index (Extreme)
53
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
12
mph wind from E

Grand Anse weather for Sunday 24th May 2026

Expect isolated thunderstorms in Grand Anse, St Lucia with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 74% chance of some rain and a gentle breeze of 11 mph from the east.