Port Antonio weather live forecast

Today's maximum temperature in Port Antonio is expected to be 31°C. Select a day from the live weather forecast for Port Antonio, Jamaica for more weather parameters.

5-day weather forecast updated at 04:02 on Monday 8th September 2025 GMT

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The 5-day weather forecast for Jamaica (Port Antonio) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Port Antonio weather forecast by day

Below are the detailed weather forecasts for Port Antonio for the next 5 days.

Port Antonio weather for Monday 8th September 2025

Expect scattered clouds in Port Antonio, Jamaica with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the east.

  • 31°C maximum temperature31
    °C maximum temperature
  • 28°C minimum temperature28
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 15 kph from the East15
    kph wind from E

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Port Antonio weather for Tuesday 9th September 2025

Expect scattered clouds in Port Antonio, Jamaica with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the east.

  • 30°C maximum temperature30
    °C maximum temperature
  • 27°C minimum temperature27
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 15 kph from the East15
    kph wind from E

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Port Antonio weather for Wednesday 10th September 2025

Expect isolated thunderstorms in Port Antonio, Jamaica with a maximum temperature of 31°C, 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 48% chance of some rain and a gentle breeze of 17 kph from the south-east.

  • 31°C maximum temperature31
    °C maximum temperature
  • 27°C minimum temperature27
    °C 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)
  • 48% chance of some rain48
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 17 kph from the South-East17
    kph wind from SE

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Port Antonio weather for Thursday 11th September 2025

Expect scattered clouds in Port Antonio, Jamaica with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the east.

  • 33°C maximum temperature33
    °C maximum temperature
  • 27°C minimum temperature27
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Light breeze of 12 kph from the East12
    kph wind from E

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Port Antonio weather for Friday 12th September 2025

Expect scattered clouds in Port Antonio, Jamaica with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the east.

  • 32°C maximum temperature32
    °C maximum temperature
  • 26°C minimum temperature26
    °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
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 16 kph from the East16
    kph wind from E

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Sandals sale: up to £300 off Caribbean holidays

  • 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 codeShow discount code ******ALE
Redeem Sandals discount code >>

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

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

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