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National Weather Service Forecast for: San Juan, Puerto Rico  

Updated: 3:25 pm AST Jul 16, 2025 

Hazardous Weather Outlook
Flood Advisory
 

Tonight

Tonight: Scattered showers, mainly before midnight. Partly cloudy, with a low around 78. East wind 9 to 13 mph. Chance of precipitation is 30%.
Low: 78 °F		Thursday

Thursday: Scattered showers, mainly after 9am. Widespread haze before 9am. Partly sunny, with a high near 89. Heat index values as high as 103. East wind 11 to 16 mph. Chance of precipitation is 50%.
High: 89 °F		Thursday
Night
Thursday Night: Scattered showers. Mostly cloudy, with a low around 78. East wind around 10 mph. Chance of precipitation is 40%.
Low: 78 °F		Friday

Friday: Scattered showers. Mostly sunny, with a high near 87. East wind 10 to 15 mph. Chance of precipitation is 30%.
High: 87 °F		Friday
Night
Friday Night: Scattered showers, mainly after midnight. Mostly cloudy, with a low around 77. East wind 7 to 9 mph. Chance of precipitation is 50%.
Low: 77 °F		Saturday

Saturday: Isolated showers. Mostly sunny, with a high near 90. East wind 8 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
High: 90 °F		Saturday
Night
Saturday Night: Mostly clear, with a low around 77. East southeast wind 6 to 9 mph.
Low: 77 °F		Sunday

Sunday: Scattered showers, mainly after noon. Mostly sunny, with a high near 90. East wind 9 to 14 mph. Chance of precipitation is 40%.
High: 90 °F
Scattered
Showers

Scattered
Showers

Scattered
Showers

Scattered
Showers

Isolated
Showers then
Scattered
Showers
Isolated
Showers

Mostly Clear

Mostly Sunny
then
Scattered
Showers

National Weather Service Forecast Details

 

 

 

MARIA

 

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NEXLAB Experimental Satellite- Infrared Imagery (NOAA GOES 16)

 

 

OFFICIAL TRACK

Maria

 

 

 

Forecast Wind Bands

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