San Juan weather forecast

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Last updated at 04:02 on Saturday 16th January 2021 GMT

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

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San Juan weather forecast by day

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

San Juan weather for Saturday 16th January 2021

Below is the San Juan weather forecast for Saturday 16th January 2021. Expect scattered clouds in San Juan, Puerto Rico with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the east.

  • 28°C maximum temperature28
    °C maximum temperature
  • 23°C minimum temperature23
    °C minimum temperature
  • Scattered clouds
    scattered 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
  • Gentle breeze of 18 kph from the East18
    kph wind from E

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San Juan weather for Sunday 17th January 2021

Below is the San Juan weather forecast for Sunday 17th January 2021. Expect scattered clouds in San Juan, Puerto Rico with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the east.

  • 27°C maximum temperature27
    °C maximum temperature
  • 23°C minimum temperature23
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Moderate breeze of 21 kph from the East21
    kph wind from E

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San Juan weather for Monday 18th January 2021

Below is the San Juan weather forecast for Monday 18th January 2021. Expect scattered clouds in San Juan, Puerto Rico with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the east.

  • 27°C maximum temperature27
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Moderate breeze of 20 kph from the East20
    kph wind from E

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San Juan weather for Tuesday 19th January 2021

Below is the San Juan weather forecast for Tuesday 19th January 2021. Expect scattered clouds in San Juan, Puerto Rico with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 15% chance of some rain and a moderate breeze of 24 kph from the east.

  • 27°C maximum temperature27
    °C maximum temperature
  • 25°C minimum temperature25
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 15% chance of some rain15
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Moderate breeze of 24 kph from the East24
    kph wind from E

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San Juan weather for Wednesday 20th January 2021

Below is the San Juan weather forecast for Wednesday 20th January 2021. Expect mostly cloudy with light rain in San Juan, Puerto Rico with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 35% chance of some rain and a moderate breeze of 23 kph from the east.

  • 26°C maximum temperature26
    °C maximum temperature
  • 25°C minimum temperature25
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 35% chance of some rain35
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Moderate breeze of 23 kph from the East23
    kph wind from E

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

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Where's hot in Puerto Rico in Puerto Rico tomorrow?

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