St Barthelemy weather live forecast

Sunday
23rd Aug
32

29

7

9
Monday
24th Aug
32

28

7

11
Tuesday
25th Aug
32

28

7

11
Wednesday
26th Aug
32

28

8

11
Thursday
27th Aug
32

28

6

11

5-day weather forecast updated at 04:01 on Sunday 23rd 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 23rd 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 9 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the east.

32
°C maximum temperature
29
°C minimum temperature
broken clouds
7
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
18
kph wind from E

St Barthelemy weather for Monday 24th 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 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 35% chance of some rain and a gentle breeze of 17 kph from the east.

32
°C maximum temperature
28
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
11
UV index (Extreme)
35
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
17
kph wind from E

St Barthelemy weather for Tuesday 25th 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 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 33% chance of some rain and a gentle breeze of 19 kph from the east.

32
°C maximum temperature
28
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
11
UV index (Extreme)
33
% chance of some rain
<5
mm of rainfall expected
H
high heat & humidity
19
kph wind from E

St Barthelemy weather for Wednesday 26th 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 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the east.

32
°C maximum temperature
28
°C minimum temperature
broken clouds
8
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
H
high heat & humidity
21
kph wind from E

St Barthelemy weather for Thursday 27th 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 39% chance of some rain and a moderate breeze of 21 kph from the east.