St Barthelemy weather live forecast

Sunday
17th May
30

26

7

11
Monday
18th May
30

26

8

11
Tuesday
19th May
30

26

8

11
Wednesday
20th May
30

26

7

11
Thursday
21st May
30

26

7

11

5-day weather forecast updated at 04:01 on Sunday 17th May 2026 GMT

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

St Barthelemy weather forecast by day

Below are the detailed weather forecasts for St Barthelemy for the next 5 days.

St Barthelemy weather for Sunday 17th May 2026

Expect broken clouds in St Barthelemy, St Barthelemy 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 fresh breeze of 29 kph from the east.

30
°C maximum temperature
26
°C minimum temperature
broken clouds
7
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
29
kph wind from E

St Barthelemy weather for Monday 18th May 2026

Expect isolated thunderstorms in St Barthelemy, St Barthelemy with a maximum temperature of 30°C, 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 34% chance of some rain and a fresh breeze of 30 kph from the east.

30
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
11
UV index (Extreme)
34
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
30
kph wind from E

St Barthelemy weather for Tuesday 19th May 2026

Expect isolated thunderstorms in St Barthelemy, St Barthelemy with a maximum temperature of 30°C, 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 49% chance of some rain and a fresh breeze of 29 kph from the east.

30
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
11
UV index (Extreme)
49
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
29
kph wind from E

St Barthelemy weather for Wednesday 20th May 2026

Expect isolated thunderstorms in St Barthelemy, St Barthelemy 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 2-5 mm of rainfall expected with 46% chance of some rain and a moderate breeze of 28 kph from the east.

30
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
11
UV index (Extreme)
46
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
28
kph wind from E

St Barthelemy weather for Thursday 21st May 2026

Expect isolated thunderstorms in St Barthelemy, St Barthelemy 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 5-10 mm of rainfall expected with 51% chance of some rain and a moderate breeze of 26 kph from the east.