St John's weather live forecast

Tomorrow's maximum temperature in St John's is expected to be 29°C.

5-day weather forecast updated at 04:00 on Sunday 16th March 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 Sunday 16th March 2025

Expect scattered clouds in St John's, Antigua with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the north.

  • 29°C maximum temperature29
    °C maximum temperature
  • 23°C minimum temperature23
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 11+ (Extreme)11
    UV index (Extreme)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Little or no wind of 5 kph from the North5
    kph wind from N

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St John's weather for Monday 17th March 2025

Expect scattered clouds in St John's, Antigua with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the north.

  • 29°C maximum temperature29
    °C maximum temperature
  • 23°C minimum temperature23
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Little or no wind of 5 kph from the North5
    kph wind from N

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St John's weather for Tuesday 18th March 2025

Expect scattered clouds in St John's, Antigua with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the south.

  • 29°C maximum temperature29
    °C maximum temperature
  • 23°C minimum temperature23
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Little or no wind of 4 kph from the South4
    kph wind from S

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St John's weather for Wednesday 19th March 2025

Expect isolated thunderstorms in St John's, Antigua with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 64% chance of some rain and a light breeze of 8 kph from the south-west.

  • 29°C maximum temperature29
    °C maximum temperature
  • 23°C minimum temperature23
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 64% chance of some rain64
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 8 kph from the South-West8
    kph wind from SW

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St John's weather for Thursday 20th March 2025

Expect isolated thunderstorms in St John's, Antigua with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and little or no wind of 6 kph from the south.

  • 30°C maximum temperature30
    °C maximum temperature
  • 23°C minimum temperature23
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 25% chance of some rain25
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Little or no wind of 6 kph from the South6
    kph wind from S

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

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