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Hurricane Season runs from June 1-November 30

 

Click on the county or coastal water zone of interest to get the latest forecast from the National Weather Service.

 

 

National Weather Service Today's Weather Impact Levels

 

National Weather Service Forecast for: San Juan, Puerto Rico  

Updated: 10:04 am AST May 21, 2026  

 

Today

Today: Scattered showers, mainly after noon. Mostly sunny, with a high near 88. East wind 15 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
High: 88 °F		Tonight

Tonight: Scattered showers, mainly after midnight. Mostly cloudy, with a low around 76. East wind 8 to 11 mph. Chance of precipitation is 50%.
Low: 76 °F		Friday

Friday: Scattered showers, mainly after noon. Mostly sunny, with a high near 88. East wind 9 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
High: 88 °F		Friday
Night
Friday Night: Isolated showers. Partly cloudy, with a low around 76. East wind around 10 mph. Chance of precipitation is 20%.
Low: 76 °F		Saturday

Saturday: Isolated showers. Mostly sunny, with a high near 88. East wind 13 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
High: 88 °F		Saturday
Night
Saturday Night: Mostly clear, with a low around 76. East wind 8 to 10 mph.
Low: 76 °F		Sunday

Sunday: Scattered showers. Partly sunny, with a high near 86. East wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
High: 86 °F		Sunday
Night
Sunday Night: Scattered showers. Mostly cloudy, with a low around 76. East wind around 11 mph. Chance of precipitation is 40%.
Low: 76 °F		Memorial
Day
Memorial Day: Showers likely, mainly after noon. Mostly cloudy, with a high near 87. East wind 14 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
High: 87 °F
Scattered
Showers
Scattered
Showers
Scattered
Showers
Isolated
Showers
Isolated
Showers
Mostly Clear
Scattered
Showers
Scattered
Showers
Showers
Likely

National Weather Service Forecast Details

 

 

 

Caribbean Sea Satellite

 

NWS San Juan Doppler Radar

 

 

 

Day 1 rainfall

 

Day 2 rainfall

 

Day 3 rainfall

 

 

Weather Summary for Puerto Rico 

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NWS SJU Office Area Forecast Discussion

 

 

Tropical Atlantic Satellite

 

 

Latest Earthquakes near Puerto Rico

 

Saharan Air Layer

 

Wind Shear Tendency

 

Sea Surface Temperatures

 

Sea Surface Temperatures Anomalies