San Juan weather live forecast

Today's maximum temperature in San Juan is expected to be 31°C. Select a day from the live weather forecast for San Juan, Puerto Rico for more weather parameters.

• Sunday
  5th Jul
  31
  28
  
  4
  8
• Monday
  6th Jul
  30
  28
  
  6
  8
• Tuesday
  7th Jul
  31
  27
  
  7
  7
• Wednesday
  8th Jul
  31
  27
  
  6
  9
• Thursday
  9th Jul
  31
  27
  
  7
  9

5-day weather forecast updated at 04:00 on Sunday 5th July 2026 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 Sunday 5th July 2026

Expect broken clouds in San Juan, Puerto Rico with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the east.

• 31
  °C maximum temperature
• 28
  °C minimum temperature
• 
  broken clouds
• 4
  hours of sunshine
• 8
  UV index (Very High)
• 0
  mm of rainfall expected
• M
  moderate heat & humidity
• 26
  kph wind from E

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San Juan weather for Monday 6th July 2026

Expect broken clouds in San Juan, Puerto Rico with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the east.

• 30
  °C maximum temperature
• 28
  °C minimum temperature
• 
  broken clouds
• 6
  hours of sunshine
• 8
  UV index (Very High)
• 0
  mm of rainfall expected
• M
  moderate heat & humidity
• 26
  kph wind from E

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San Juan weather for Tuesday 7th July 2026

Expect isolated thunderstorms in San Juan, Puerto Rico with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 48% chance of some rain and a moderate breeze of 26 kph from the east.

• 31
  °C maximum temperature
• 27
  °C minimum temperature
• 
  isolated thunderstorms
• 7
  hours of sunshine
• 7
  UV index (High)
• 48
  % chance of some rain
• <5
  mm of rainfall expected
• M
  moderate heat & humidity
• 26
  kph wind from E

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San Juan weather for Wednesday 8th July 2026

Expect isolated thunderstorms in San Juan, Puerto Rico with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 83% chance of some rain and a moderate breeze of 27 kph from the east.

• 31
  °C maximum temperature
• 27
  °C minimum temperature
• 
  isolated thunderstorms
• 6
  hours of sunshine
• 9
  UV index (Very High)
• 83
  % chance of some rain
• <10
  mm of rainfall expected
• M
  moderate heat & humidity
• 27
  kph wind from E

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San Juan weather for Thursday 9th July 2026

Expect isolated thunderstorms in San Juan, Puerto Rico 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 0-2 mm of rainfall expected with 48% chance of some rain and a moderate breeze of 27 kph from the east.

• 31
  °C maximum temperature
• 27
  °C minimum temperature
• 
  isolated thunderstorms
• 7
  hours of sunshine
• 9
  UV index (Very High)
• 48
  % chance of some rain
• <2
  mm of rainfall expected
• M
  moderate heat & humidity
• 27
  kph wind from E

Back to top

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• Check out best deals on all-inclusive summer sailings
• Book cruises to the Med including 30th Birthday sailings
• Filter deals by departure port, party size & duration

Go to Marella Cruises deal >>

View all Marella Cruises offers

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