St Lucia weather live forecast

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

Friday
13th Feb
86

79

7

9
Saturday
14th Feb
86

77

7

10
Sunday
15th Feb
86

77

7

11
Monday
16th Feb
84

77

7

11
Tuesday
17th Feb
84

77

6

11

5-day weather forecast updated at 04:00 on Friday 13th February 2026 GMT

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

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Below are temperatures expected today at popular countries, regions and places in St Lucia. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.

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St Lucia weather forecast by day

Below are the detailed weather forecasts for St Lucia for the next 5 days. The forecasts shown are for Castries and may not represent the whole of St Lucia. Browse more destinations in St Lucia to view more weather forecasts.

St Lucia weather for Friday 13th February 2026

Expect scattered clouds in St Lucia with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the east.

86
°F maximum temperature
79
°F minimum temperature
scattered clouds
7
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
11
mph wind from E

St Lucia weather for Saturday 14th February 2026

Expect broken clouds in St Lucia with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the east.

86
°F maximum temperature
77
°F minimum temperature
broken clouds
7
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
7
mph wind from E

St Lucia weather for Sunday 15th February 2026

Expect broken clouds in 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 0 mm of rainfall expected and a gentle breeze of 9 mph from the east.

86
°F maximum temperature
77
°F minimum temperature
broken clouds
7
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
9
mph wind from E

St Lucia weather for Monday 16th February 2026

Expect broken clouds in St Lucia with a maximum temperature of 84°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 gentle breeze of 12 mph from the east.

84
°F maximum temperature
77
°F minimum temperature
broken clouds
7
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
12
mph wind from E

St Lucia weather for Tuesday 17th February 2026

Expect broken clouds in St Lucia with a maximum temperature of 84°F, 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 11 mph from the east.