Petit St Vincent weather live forecast

Today's maximum temperature in Petit St Vincent is expected to be 84°F. Select a day from the live weather forecast for Petit St Vincent, St Vincent & the Grenadines for more weather parameters.

• Thursday
  18th Sep
  84
  82
  
  6
  10
• Friday
  19th Sep
  84
  82
  
  5
  10
• Saturday
  20th Sep
  84
  82
  
  5
  11
• Sunday
  21st Sep
  84
  82
  
  6
  11
• Monday
  22nd Sep
  84
  82
  
  6
  11

5-day weather forecast updated at 04:04 on Thursday 18th September 2025 GMT

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The 5-day weather forecast for St Vincent & the Grenadines (Petit St Vincent) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Petit St Vincent weather forecast by day

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

Petit St Vincent weather for Thursday 18th September 2025

Expect isolated thunderstorms in Petit St Vincent, St Vincent & the Grenadines with a maximum temperature of 84°F, moderate 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 40% chance of some rain and a gentle breeze of 10 mph from the east.

• 84
  °F maximum temperature
• 82
  °F minimum temperature
• 
  isolated thunderstorms
• 6
  hours of sunshine
• 10
  UV index (Very High)
• 40
  % chance of some rain
• <2
  mm of rainfall expected
• M
  moderate heat & humidity
• 10
  mph wind from E

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Petit St Vincent weather for Friday 19th September 2025

Expect broken clouds in Petit St Vincent, St Vincent & the Grenadines with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the east.

• 84
  °F maximum temperature
• 82
  °F minimum temperature
• 
  broken clouds
• 5
  hours of sunshine
• 10
  UV index (Very High)
• 0
  mm of rainfall expected
• M
  moderate heat & humidity
• 7
  mph wind from E

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Petit St Vincent weather for Saturday 20th September 2025

Expect isolated thunderstorms in Petit St Vincent, St Vincent & the Grenadines with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 32% chance of some rain and a light breeze of 7 mph from the east.

• 84
  °F maximum temperature
• 82
  °F minimum temperature
• 
  isolated thunderstorms
• 5
  hours of sunshine
• 11
  UV index (Extreme)
• 32
  % chance of some rain
• <10
  mm of rainfall expected
• M
  moderate heat & humidity
• 7
  mph wind from E

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Petit St Vincent weather for Sunday 21st September 2025

Expect isolated thunderstorms in Petit St Vincent, St Vincent & the Grenadines with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 48% chance of some rain and a gentle breeze of 9 mph from the east.

• 84
  °F maximum temperature
• 82
  °F minimum temperature
• 
  isolated thunderstorms
• 6
  hours of sunshine
• 11
  UV index (Extreme)
• 48
  % chance of some rain
• <5
  mm of rainfall expected
• M
  moderate heat & humidity
• 9
  mph wind from E

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Petit St Vincent weather for Monday 22nd September 2025

Expect isolated thunderstorms in Petit St Vincent, St Vincent & the Grenadines with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 56% chance of some rain and a gentle breeze of 9 mph from the east.

• 84
  °F maximum temperature
• 82
  °F minimum temperature
• 
  isolated thunderstorms
• 6
  hours of sunshine
• 11
  UV index (Extreme)
• 56
  % chance of some rain
• <10
  mm of rainfall expected
• M
  moderate heat & humidity
• 9
  mph wind from E

Back to top

Sandals sale: up to £300 off Caribbean holidays

Discount Code

• Save up to £300 on all inclusive holidays to the Caribbean
• Discount varies by total spend. 7 night minimum stay
• Travel before 31st December 2027 (inclusive)

Show discount code ******ALE

Redeem Sandals discount code >>

Expires at 23:59 on Tuesday 30th Sep 2025 · View all Sandals offers

Metric (°C)  |  Imperial (°F)

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