St Barthelemy weather live forecast

Sunday
31st Aug
32

28

8

11
Monday
1st Sep
32

28

6

10
Tuesday
2nd Sep
32

28

7

10
Wednesday
3rd Sep
32

28

8

11
Thursday
4th Sep
32

28

8

11

5-day weather forecast updated at 04:02 on Sunday 31st August 2025 GMT

More about St Barthelemy

St Barthelemy by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for St Barthelemy

Marella Cruises: up to 4% off ocean cruises

Sale

Book online & save up to 4% on Marella Cruises
Discount varies by season. Book online with TUI
Destinations across the Med, Caribbean & USA

Go to Marella Cruises deal >>

View all Marella Cruises offers

Cruise deal finder

Destination

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 31st August 2025

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 light breeze of 12 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
12
kph wind from E

St Barthelemy weather for Monday 1st September 2025

Expect isolated thunderstorms in St Barthelemy, St Barthelemy with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 59% chance of some rain and a gentle breeze of 15 kph from the east.

32
°C maximum temperature
28
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
10
UV index (Very High)
59
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
15
kph wind from E

St Barthelemy weather for Tuesday 2nd September 2025

Expect isolated thunderstorms 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 2-5 mm of rainfall expected with 35% chance of some rain and a gentle breeze of 16 kph from the east.

32
°C maximum temperature
28
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
10
UV index (Very High)
35
% chance of some rain
<5
mm of rainfall expected
H
high heat & humidity
16
kph wind from E

St Barthelemy weather for Wednesday 3rd September 2025

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 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 37% chance of some rain and a gentle breeze of 19 kph from the east.

32
°C maximum temperature
28
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
11
UV index (Extreme)
37
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
19
kph wind from E

St Barthelemy weather for Thursday 4th September 2025

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 gentle breeze of 19 kph from the east.