St John's weather live forecast

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

5-day weather forecast updated at 04:00 on Thursday 16th October 2025 GMT

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

St John's weather forecast by day

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

St John's weather for Thursday 16th October 2025

Expect isolated thunderstorms in St John's, Antigua with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 98% chance of some rain and a moderate breeze of 13 mph from the south-west.

  • 84°F maximum temperature84
    °F maximum temperature
  • 77°F minimum temperature77
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 98% chance of some rain98
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 13 mph from the South-West13
    mph wind from SW

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St John's weather for Friday 17th October 2025

Expect isolated thunderstorms in St John's, Antigua with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 64% chance of some rain and a gentle breeze of 9 mph from the south-west.

  • 86°F maximum temperature86
    °F maximum temperature
  • 79°F minimum temperature79
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 64% chance of some rain64
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 9 mph from the South-West9
    mph wind from SW

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St John's weather for Saturday 18th October 2025

Expect scattered clouds in St John's, Antigua with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the east.

  • 86°F maximum temperature86
    °F maximum temperature
  • 79°F minimum temperature79
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 9 mph from the East9
    mph wind from E

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St John's weather for Sunday 19th October 2025

Expect isolated thunderstorms in St John's, Antigua with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 65% chance of some rain and a moderate breeze of 15 mph from the east.

  • 84°F maximum temperature84
    °F maximum temperature
  • 79°F minimum temperature79
    °F 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)
  • 65% chance of some rain65
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 15 mph from the East15
    mph wind from E

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St John's weather for Monday 20th October 2025

Expect isolated thunderstorms in St John's, Antigua with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 56% chance of some rain and a moderate breeze of 15 mph from the east.

  • 84°F maximum temperature84
    °F maximum temperature
  • 79°F minimum temperature79
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 56% chance of some rain56
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 15 mph from the East15
    mph wind from E

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