St Barthelemy weather live forecast

Saturday
30th Aug
90

82

7

11
Sunday
31st Aug
90

81

8

11
Monday
1st Sep
90

82

7

11
Tuesday
2nd Sep
90

82

7

9
Wednesday
3rd Sep
90

82

7

11

5-day weather forecast updated at 04:02 on Saturday 30th August 2025 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 Saturday 30th August 2025

Expect broken clouds in St Barthelemy, St Barthelemy with a maximum temperature of 90°F, high levels of heat & humidity, maximum UV of 11 (Extreme) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the east.

90
°F maximum temperature
82
°F minimum temperature
broken clouds
7
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
H
high heat & humidity
11
mph wind from E

St Barthelemy weather for Sunday 31st August 2025

Expect broken clouds in St Barthelemy, St Barthelemy with a maximum temperature of 90°F, 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 8 mph from the east.

90
°F maximum temperature
81
°F minimum temperature
broken clouds
8
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
H
high heat & humidity
8
mph wind from E

St Barthelemy weather for Monday 1st September 2025

Expect isolated thunderstorms in St Barthelemy, St Barthelemy with a maximum temperature of 90°F, 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 54% chance of some rain and a light breeze of 7 mph from the east.

90
°F maximum temperature
82
°F minimum temperature
isolated thunderstorms
7
hours of sunshine
11
UV index (Extreme)
54
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
7
mph wind from E

St Barthelemy weather for Tuesday 2nd September 2025

Expect isolated thunderstorms in St Barthelemy, St Barthelemy with a maximum temperature of 90°F, 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 44% chance of some rain and a gentle breeze of 10 mph from the east.

90
°F maximum temperature
82
°F minimum temperature
isolated thunderstorms
7
hours of sunshine
9
UV index (Very High)
44
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
10
mph wind from E

St Barthelemy weather for Wednesday 3rd September 2025

Expect isolated thunderstorms in St Barthelemy, St Barthelemy with a maximum temperature of 90°F, 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 40% chance of some rain and a gentle breeze of 11 mph from the east.