St Martin weather live forecast

• Wednesday
  3rd Sep
  32
  28
  
  7
  11
• Thursday
  4th Sep
  32
  28
  
  8
  11
• Friday
  5th Sep
  32
  28
  
  6
  9
• Saturday
  6th Sep
  32
  28
  
  6
  9
• Sunday
  7th Sep
  32
  28
  
  7
  11

5-day weather forecast updated at 04:02 on Wednesday 3rd September 2025 GMT

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The 5-day weather forecast for St Martin is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

St Martin weather forecast by day

Below are the detailed weather forecasts for St Martin for the next 5 days.

St Martin weather for Wednesday 3rd September 2025

Expect broken clouds in St Martin, St Martin 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 mm of rainfall expected and a gentle breeze of 17 kph from the east.

• 32
  °C maximum temperature
• 28
  °C minimum temperature
• 
  broken clouds
• 7
  hours of sunshine
• 11
  UV index (Extreme)
• 0
  mm of rainfall expected
• H
  high heat & humidity
• 17
  kph wind from E

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St Martin weather for Thursday 4th September 2025

Expect scattered clouds in St Martin, St Martin 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 18 kph from the east.

• 32
  °C maximum temperature
• 28
  °C minimum temperature
• 
  scattered clouds
• 8
  hours of sunshine
• 11
  UV index (Extreme)
• 0
  mm of rainfall expected
• H
  high heat & humidity
• 18
  kph wind from E

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St Martin weather for Friday 5th September 2025

Expect isolated thunderstorms in St Martin, St Martin with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 62% 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
• 9
  UV index (Very High)
• 62
  % chance of some rain
• <5
  mm of rainfall expected
• H
  high heat & humidity
• 18
  kph wind from E

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St Martin weather for Saturday 6th September 2025

Expect isolated thunderstorms in St Martin, St Martin with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 68% chance of some rain and a gentle breeze of 17 kph from the east.

• 32
  °C maximum temperature
• 28
  °C minimum temperature
• 
  isolated thunderstorms
• 6
  hours of sunshine
• 9
  UV index (Very High)
• 68
  % chance of some rain
• <5
  mm of rainfall expected
• H
  high heat & humidity
• 17
  kph wind from E

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St Martin weather for Sunday 7th September 2025

Expect isolated thunderstorms in St Martin, St Martin 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 5-10 mm of rainfall expected with 75% 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)
• 75
  % chance of some rain
• <10
  mm of rainfall expected
• H
  high heat & humidity
• 19
  kph wind from E

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• Discount varies by season. Book online with TUI
• Destinations across the Med, Caribbean & USA

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View all Marella Cruises offers

Metric (°C / mm)  |  Imperial (°F / inches)

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