Puerto Rico weather live forecast

Today's maximum temperature in Puerto Rico is expected to be 86°F. Select a day from the live weather forecast for Puerto Rico (San Juan) for more weather parameters.

5-day weather forecast updated at 04:00 on Friday 17th October 2025 GMT

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The 5-day weather forecast for Puerto Rico (San Juan) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

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Puerto Rico weather forecast by day

Below are the detailed weather forecasts for Puerto Rico for the next 5 days. The forecasts shown are for San Juan and may not represent the whole of Puerto Rico. Browse more destinations in Puerto Rico to view more weather forecasts.

Puerto Rico weather for Friday 17th October 2025

Expect isolated thunderstorms in Puerto Rico with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 89% chance of some rain and a gentle breeze of 8 mph from the south.

  • 86°F maximum temperature86
    °F maximum temperature
  • 81°F minimum temperature81
    °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)
  • 89% chance of some rain89
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 8 mph from the South8
    mph wind from S

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Puerto Rico weather for Saturday 18th October 2025

Expect isolated thunderstorms in Puerto Rico with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 89% chance of some rain and a light breeze of 6 mph from the south.

  • 84°F maximum temperature84
    °F maximum temperature
  • 81°F minimum temperature81
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 89% chance of some rain89
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 6 mph from the South6
    mph wind from S

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Puerto Rico weather for Sunday 19th October 2025

Expect isolated thunderstorms in Puerto Rico with a maximum temperature of 88°F, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 56% chance of some rain and a gentle breeze of 11 mph from the east.

  • 88°F maximum temperature88
    °F maximum temperature
  • 81°F minimum temperature81
    °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)
  • 56% chance of some rain56
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 11 mph from the East11
    mph wind from E

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Puerto Rico weather for Monday 20th October 2025

Expect isolated thunderstorms in Puerto Rico with a maximum temperature of 86°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 75% chance of some rain and a moderate breeze of 14 mph from the east.

  • 86°F maximum temperature86
    °F maximum temperature
  • 81°F minimum temperature81
    °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)
  • 75% chance of some rain75
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 14 mph from the East14
    mph wind from E

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Puerto Rico weather for Tuesday 21st October 2025

Expect isolated thunderstorms in Puerto Rico with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 47% chance of some rain and a moderate breeze of 15 mph from the south-east.

  • 86°F maximum temperature86
    °F maximum temperature
  • 81°F minimum temperature81
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 47% chance of some rain47
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 15 mph from the South-East15
    mph wind from SE

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