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Puerto Rico weather live forecast
Today's maximum temperature in Puerto Rico is expected to be 28°C. Select a day from the live weather forecast for Puerto Rico (San Juan) for more weather parameters.
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Sunday
18th Jan
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Monday
19th Jan -
Tuesday
20th Jan -
Wednesday
21st Jan -
Thursday
22nd Jan
5-day weather forecast updated at 04:01 on Saturday 17th January 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.
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Below are temperatures expected today at popular countries, regions and places in Puerto Rico. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.
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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 Sunday 18th January 2026
Expect isolated thunderstorms in Puerto Rico with a maximum temperature of 28°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 45% chance of some rain and a moderate breeze of 22 kph from the east.
- °C maximum temperature
- °C minimum temperature
-
isolated thunderstorms
- hours of sunshine
- UV index (High)
- % chance of some rain
- mm of rainfall expected
- low heat & humidity
- kph wind from E
Puerto Rico weather for Monday 19th January 2026
Expect isolated thunderstorms in Puerto Rico with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 91% chance of some rain and a moderate breeze of 22 kph from the east.
- °C maximum temperature
- °C minimum temperature
-
isolated thunderstorms
- hours of sunshine
- UV index (High)
- % chance of some rain
- mm of rainfall expected
- low heat & humidity
- kph wind from E
Puerto Rico weather for Tuesday 20th January 2026
Expect isolated thunderstorms in Puerto Rico with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 65% chance of some rain and a moderate breeze of 22 kph from the east.
- °C maximum temperature
- °C minimum temperature
-
isolated thunderstorms
- hours of sunshine
- UV index (High)
- % chance of some rain
- mm of rainfall expected
- low heat & humidity
- kph wind from E
Puerto Rico weather for Wednesday 21st January 2026
Expect isolated thunderstorms in Puerto Rico with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 73% chance of some rain and a moderate breeze of 22 kph from the east.
- °C maximum temperature
- °C minimum temperature
-
isolated thunderstorms
- hours of sunshine
- UV index (Very High)
- % chance of some rain
- mm of rainfall expected
- low heat & humidity
- kph wind from E
Puerto Rico weather for Thursday 22nd January 2026
Expect isolated thunderstorms in Puerto Rico with a maximum temperature of 27°C, low 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 77% chance of some rain and a gentle breeze of 19 kph from the east.
- °C maximum temperature
- °C minimum temperature
-
isolated thunderstorms
- hours of sunshine
- UV index (Very High)
- % chance of some rain
- mm of rainfall expected
- low heat & humidity
- kph wind from E
- Save up to £300 on sailings (1 Apr 2026-30 Apr 2027)
- Book online in Marella Cruises sale with myTUI account
- Discount varies on destination. Min 7 nights duration
Show discount code
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Metric (°C / mm) | Imperial (°F / inches)
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