St Martin weather live forecast

• Monday
  11th Aug
  32
  28
  
  8
  11
• Tuesday
  12th Aug
  32
  28
  
  7
  10
• Wednesday
  13th Aug
  32
  28
  
  8
  10
• Thursday
  14th Aug
  32
  27
  
  8
  11
• Friday
  15th Aug
  31
  28
  
  8
  11

5-day weather forecast updated at 04:02 on Sunday 10th August 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 Monday 11th August 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 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 46% 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)
• 46
  % chance of some rain
• <2
  mm of rainfall expected
• H
  high heat & humidity
• 19
  kph wind from E

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St Martin weather for Tuesday 12th August 2025

Expect broken clouds in St Martin, St Martin 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 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
• 10
  UV index (Very High)
• 0
  mm of rainfall expected
• H
  high heat & humidity
• 17
  kph wind from E

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St Martin weather for Wednesday 13th August 2025

Expect scattered clouds in St Martin, St Martin with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the east.

• 32
  °C maximum temperature
• 28
  °C minimum temperature
• 
  scattered clouds
• 8
  hours of sunshine
• 10
  UV index (Very High)
• 0
  mm of rainfall expected
• H
  high heat & humidity
• 19
  kph wind from E

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St Martin weather for Thursday 14th August 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 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 66% chance of some rain and a gentle breeze of 19 kph from the east.

• 32
  °C maximum temperature
• 27
  °C minimum temperature
• 
  isolated thunderstorms
• 8
  hours of sunshine
• 11
  UV index (Extreme)
• 66
  % chance of some rain
• <2
  mm of rainfall expected
• H
  high heat & humidity
• 19
  kph wind from E

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St Martin weather for Friday 15th August 2025

Expect isolated thunderstorms in St Martin, St Martin with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 8 hours of bright sunshine. There are 5-10 mm of rainfall expected with 55% chance of some rain and a gentle breeze of 14 kph from the east.

• 31
  °C maximum temperature
• 28
  °C minimum temperature
• 
  isolated thunderstorms
• 8
  hours of sunshine
• 11
  UV index (Extreme)
• 55
  % chance of some rain
• <10
  mm of rainfall expected
• M
  moderate heat & humidity
• 14
  kph wind from E

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• Book online & save up to 4% on Marella Cruises
• 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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