National Weather Service Forecast for: San Juan, Puerto Rico NWS Forecast for San Juan PR
National Weather Service Forecast for: San Juan PR
Issued by: National Weather Service San Juan, PR
Updated: 2:12 am AST May 9, 2026

San Juan
 
This
Afternoon
This Afternoon: Sunny, with a high near 89. East wind around 16 mph, with gusts as high as 21 mph.
High: 89 °F		 Tonight

Tonight: Scattered showers, mainly after 3am. Partly cloudy, with a low around 76. East wind around 11 mph. Chance of precipitation is 30%.
Low: 76 °F		 Sunday

Sunday: Scattered showers, mainly before noon. Mostly sunny, with a high near 89. East wind 11 to 17 mph. Chance of precipitation is 40%.
High: 89 °F		 Sunday
Night
Sunday Night: Scattered showers, mainly after midnight. Partly cloudy, with a low around 76. East wind around 10 mph. Chance of precipitation is 40%.
Low: 76 °F		 Monday

Monday: Scattered showers. Partly sunny, with a high near 90. East wind 11 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
High: 90 °F		 Monday
Night
Monday Night: Scattered showers. Mostly cloudy, with a low around 76. East southeast wind 8 to 10 mph. Chance of precipitation is 50%.
Low: 76 °F		 Tuesday

Tuesday: Mostly sunny, with a high near 90. East wind 11 to 17 mph, with gusts as high as 22 mph.
High: 90 °F		 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 76. East southeast wind around 8 mph.
Low: 76 °F		 Wednesday

Wednesday: Scattered showers, mainly before noon. Mostly sunny, with a high near 91. East southeast wind 10 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
High: 91 °F
Sunny

 Scattered
Showers

 Scattered
Showers then
Isolated
Showers
 Scattered
Showers

 Scattered
Showers

 Scattered
Showers

 Mostly Sunny

 Partly Cloudy

 Scattered
Showers then
Mostly Sunny

 

This Afternoon
 
 Sunny, with a high near 89. East wind around 16 mph, with gusts as high as 21 mph.
Tonight
 
 Scattered showers, mainly after 3am. Partly cloudy, with a low around 76. East wind around 11 mph. Chance of precipitation is 30%.
Sunday
 
 Scattered showers, mainly before noon. Mostly sunny, with a high near 89. East wind 11 to 17 mph. Chance of precipitation is 40%.
Sunday Night
 
 Scattered showers, mainly after midnight. Partly cloudy, with a low around 76. East wind around 10 mph. Chance of precipitation is 40%.
Monday
 
 Scattered showers. Partly sunny, with a high near 90. East wind 11 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Monday Night
 
 Scattered showers. Mostly cloudy, with a low around 76. East southeast wind 8 to 10 mph. Chance of precipitation is 50%.
Tuesday
 
 Mostly sunny, with a high near 90. East wind 11 to 17 mph, with gusts as high as 22 mph.
Tuesday Night
 
 Partly cloudy, with a low around 76. East southeast wind around 8 mph.
Wednesday
 
 Scattered showers, mainly before noon. Mostly sunny, with a high near 91. East southeast wind 10 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Wednesday Night
 
 Clear, with a low around 76.
Thursday
 
 Sunny, with a high near 91.
Thursday Night
 
 Scattered showers. Partly cloudy, with a low around 77. Chance of precipitation is 30%.
Friday
 
 Scattered showers. Mostly sunny, with a high near 91. Chance of precipitation is 40%.

 

 

 

Updated: 2:12 am AST May 9, 2026    

This
Afternoon
This Afternoon: Sunny, with a high near 89. East wind around 16 mph, with gusts as high as 21 mph.
High: 89 °F		Tonight

Tonight: Scattered showers, mainly after 3am. Partly cloudy, with a low around 76. East wind around 11 mph. Chance of precipitation is 30%.
Low: 76 °F		Sunday

Sunday: Scattered showers, mainly before noon. Mostly sunny, with a high near 89. East wind 11 to 17 mph. Chance of precipitation is 40%.
High: 89 °F		Sunday
Night
Sunday Night: Scattered showers, mainly after midnight. Partly cloudy, with a low around 76. East wind around 10 mph. Chance of precipitation is 40%.
Low: 76 °F		Monday

Monday: Scattered showers. Partly sunny, with a high near 90. East wind 11 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
High: 90 °F		Monday
Night
Monday Night: Scattered showers. Mostly cloudy, with a low around 76. East southeast wind 8 to 10 mph. Chance of precipitation is 50%.
Low: 76 °F		Tuesday

Tuesday: Mostly sunny, with a high near 90. East wind 11 to 17 mph, with gusts as high as 22 mph.
High: 90 °F		Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 76. East southeast wind around 8 mph.
Low: 76 °F		Wednesday

Wednesday: Scattered showers, mainly before noon. Mostly sunny, with a high near 91. East southeast wind 10 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
High: 91 °F

Sunny

Scattered
Showers

Scattered
Showers then
Isolated
Showers
Scattered
Showers

Scattered
Showers

Scattered
Showers

Mostly Sunny

Partly Cloudy

Scattered
Showers then
Mostly Sunny

National Weather Service Forecast Details