San Juan weather live forecast

Tomorrow's maximum temperature in San Juan is expected to be 82°F.

5-day weather forecast updated at 04:00 on Monday 16th June 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.

San Juan weather forecast by day

Below are the detailed weather forecasts for San Juan for the next 5 days.

San Juan weather for Monday 16th June 2025

Expect isolated thunderstorms in San Juan, Puerto Rico with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 10 (Very High) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 41% chance of some rain and a moderate breeze of 14 mph from the east.

  • 82°F maximum temperature82
    °F maximum temperature
  • 82°F minimum temperature82
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 41% chance of some rain41
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Moderate breeze of 14 mph from the East14
    mph wind from E

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San Juan weather for Tuesday 17th June 2025

Expect broken clouds in San Juan, Puerto Rico with a maximum temperature of 82°F, moderate levels of heat & humidity, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 16 mph from the east.

  • 82°F maximum temperature82
    °F maximum temperature
  • 82°F minimum temperature82
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Moderate breeze of 16 mph from the East16
    mph wind from E

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San Juan weather for Wednesday 18th June 2025

Expect isolated thunderstorms in San Juan, Puerto Rico with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a moderate breeze of 16 mph from the east.

  • 84°F maximum temperature84
    °F maximum temperature
  • 81°F minimum temperature81
    °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)
  • 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
  • Moderate breeze of 16 mph from the East16
    mph wind from E

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San Juan weather for Thursday 19th June 2025

Expect isolated thunderstorms in San Juan, Puerto Rico with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 24% chance of some rain and a moderate breeze of 16 mph from the east.

  • 84°F maximum temperature84
    °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 11 (Extreme)11
    UV index (Extreme)
  • 24% chance of some rain24
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 16 mph from the East16
    mph wind from E

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San Juan weather for Friday 20th June 2025

Expect broken clouds in San Juan, Puerto Rico with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 16 mph from the east.

  • 84°F maximum temperature84
    °F maximum temperature
  • 81°F minimum temperature81
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 7 hours of bright sunshine7
    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
  • Moderate breeze of 16 mph from the East16
    mph wind from E

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

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