St John weather live forecast

Today's maximum temperature in St John is expected to be 88°F. Select a day from the live weather forecast for St John, Virgin Islands for more weather parameters.

5-day weather forecast updated at 04:01 on Friday 15th August 2025 GMT

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

St John weather forecast by day

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

St John weather for Friday 15th August 2025

Expect isolated thunderstorms in St John, Virgin Islands with a maximum temperature of 88°F, moderate 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 55% chance of some rain and a moderate breeze of 13 mph from the east.

  • 88°F maximum temperature88
    °F maximum temperature
  • 82°F minimum temperature82
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 55% chance of some rain55
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 13 mph from the East13
    mph wind from E

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St John weather for Saturday 16th August 2025

Expect isolated thunderstorms in St John, Virgin Islands with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 3 hours of bright sunshine. There are 20-30 mm of rainfall expected with 88% chance of some rain and a fresh breeze of 24 mph from the south-west.

  • 86°F maximum temperature86
    °F maximum temperature
  • 82°F minimum temperature82
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 11+ (Extreme)11
    UV index (Extreme)
  • 88% chance of some rain88
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Fresh breeze of 24 mph from the South-West24
    mph wind from SW

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St John weather for Sunday 17th August 2025

Expect isolated thunderstorms in St John, Virgin Islands with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 4 hours of bright sunshine. There are 20-30 mm of rainfall expected with 67% chance of some rain and a strong breeze of 24 mph from the south.

  • 86°F maximum temperature86
    °F maximum temperature
  • 82°F minimum temperature82
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 67% chance of some rain67
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Strong breeze of 24 mph from the South24
    mph wind from S

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St John weather for Monday 18th August 2025

Expect isolated thunderstorms in St John, Virgin Islands with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 70% chance of some rain and a moderate breeze of 16 mph from the south.

  • 86°F maximum temperature86
    °F maximum temperature
  • 82°F minimum temperature82
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 70% chance of some rain70
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 16 mph from the South16
    mph wind from S

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St John weather for Tuesday 19th August 2025

Expect isolated thunderstorms in St John, Virgin Islands with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 43% chance of some rain and a moderate breeze of 12 mph from the south-east.

  • 86°F maximum temperature86
    °F maximum temperature
  • 82°F minimum temperature82
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 43% chance of some rain43
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 12 mph from the South-East12
    mph wind from SE

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  • Destinations across the Med, Caribbean & USA
Go to Marella Cruises deal >>

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