St Barthelemy weather live forecast

Sunday
9th Aug
32

28

7

9
Monday
10th Aug
32

28

7

10
Tuesday
11th Aug
32

28

6

11
Wednesday
12th Aug
32

28

6

11
Thursday
13th Aug
32

28

7

10

5-day weather forecast updated at 04:01 on Sunday 9th August 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 9th August 2026

Expect isolated thunderstorms in St Barthelemy, St Barthelemy with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 9% chance of some rain and a fresh breeze of 30 kph from the east.

32
°C maximum temperature
28
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
9
UV index (Very High)
9
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
30
kph wind from E

St Barthelemy weather for Monday 10th August 2026

Expect broken clouds in St Barthelemy, St Barthelemy with a maximum temperature of 32°C, high 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 moderate breeze of 22 kph from the east.

32
°C maximum temperature
28
°C minimum temperature
broken clouds
7
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
22
kph wind from E

St Barthelemy weather for Tuesday 11th August 2026

Expect isolated thunderstorms in St Barthelemy, St Barthelemy with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 71% chance of some rain and a gentle breeze of 18 kph from the east.

32
°C maximum temperature
28
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
11
UV index (Extreme)
71
% chance of some rain
<5
mm of rainfall expected
H
high heat & humidity
18
kph wind from E

St Barthelemy weather for Wednesday 12th August 2026

Expect broken clouds in St Barthelemy, St Barthelemy with a maximum temperature of 32°C, high 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 28 kph from the east.