St Barthelemy weather live forecast

Monday
22nd Sep
32

28

8

11
Tuesday
23rd Sep
31

27

6

10
Wednesday
24th Sep
31

27

5

6
Thursday
25th Sep
32

27

6

10
Friday
26th Sep
32

28

7

10

5-day weather forecast updated at 04:03 on Monday 22nd September 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 Monday 22nd 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 43% chance of some rain and a moderate breeze of 25 kph from the east.

32
°C maximum temperature
28
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
11
UV index (Extreme)
43
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
25
kph wind from E

St Barthelemy weather for Tuesday 23rd September 2025

Expect isolated thunderstorms in St Barthelemy, St Barthelemy with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 86% chance of some rain and a fresh breeze of 29 kph from the east.

31
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
10
UV index (Very High)
86
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
29
kph wind from E

St Barthelemy weather for Wednesday 24th September 2025

Expect isolated thunderstorms in St Barthelemy, St Barthelemy with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 20-30 mm of rainfall expected with 95% chance of some rain and a fresh breeze of 29 kph from the south-east.

31
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
6
UV index (High)
95
% chance of some rain
<30
mm of rainfall expected
M
moderate heat & humidity
29
kph wind from SE

St Barthelemy weather for Thursday 25th 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 20-30 mm of rainfall expected with 79% chance of some rain and a gentle breeze of 18 kph from the south-east.

32
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
10
UV index (Very High)
79
% chance of some rain
<30
mm of rainfall expected
H
high heat & humidity
18
kph wind from SE

St Barthelemy weather for Friday 26th 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 5-10 mm of rainfall expected with 55% chance of some rain and a gentle breeze of 16 kph from the south.