Union Island weather live forecast

Tomorrow's maximum temperature in Union Island is expected to be 26°C.

5-day weather forecast updated at 04:01 on Wednesday 12th February 2025 GMT

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

Union Island weather forecast by day

Below are the detailed weather forecasts for Union Island for the next 5 days.

Union Island weather for Wednesday 12th February 2025

Expect sunshine and showers in Union Island, St Vincent & the Grenadines with a maximum temperature of 26°C, low 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 58% chance of some rain and a fresh breeze of 36 kph from the east.

  • 26°C maximum temperature26
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 58% chance of some rain58
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Fresh breeze of 36 kph from the East36
    kph wind from E

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Union Island weather for Thursday 13th February 2025

Expect isolated thunderstorms in Union Island, St Vincent & the Grenadines with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 72% chance of some rain and a fresh breeze of 35 kph from the east.

  • 26°C maximum temperature26
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 72% chance of some rain72
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Fresh breeze of 35 kph from the East35
    kph wind from E

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Union Island weather for Friday 14th February 2025

Expect sunshine and showers in Union Island, St Vincent & the Grenadines with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 50% chance of some rain and a fresh breeze of 33 kph from the east.

  • 26°C maximum temperature26
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 50% chance of some rain50
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Fresh breeze of 33 kph from the East33
    kph wind from E

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Union Island weather for Saturday 15th February 2025

Expect isolated thunderstorms in Union Island, St Vincent & the Grenadines with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 71% chance of some rain and a fresh breeze of 33 kph from the east.

  • 26°C maximum temperature26
    °C maximum temperature
  • 25°C minimum temperature25
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 71% chance of some rain71
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Fresh breeze of 33 kph from the East33
    kph wind from E

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Union Island weather for Sunday 16th February 2025

Expect isolated thunderstorms in Union Island, St Vincent & the Grenadines with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 57% chance of some rain and a fresh breeze of 32 kph from the east.

  • 26°C maximum temperature26
    °C maximum temperature
  • 25°C minimum temperature25
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 57% chance of some rain57
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Fresh breeze of 32 kph from the East32
    kph wind from E

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

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