National Weather Service Today's Weather Impact Levels
Graphical Hazardous Weather Outlook
FLOOD THREAT
Lightning THREAT
HEAT THREAT
WIND THREAT
WAVES THREAT
RIP CURRENT THREAT
National Weather Service Forecast for:
San Juan PR
Issued by: National Weather Service San Juan, PR Updated: 8:32 pm AST May 1, 2026
San Juan
Tonight
Low: 75 °F
Scattered Showers
Saturday
High: 89 °F
Scattered Showers
Saturday Night Low: 75 °F
Scattered Showers
Sunday
High: 90 °F
Isolated Showers
Sunday Night Low: 75 °F
Isolated Showers
Monday
High: 90 °F
Isolated Showers
Monday Night Low: 76 °F
Clear
Tuesday
High: 90 °F
Mostly Sunny
Tuesday Night Low: 75 °F
Mostly Clear
Tonight
Scattered showers, mainly before 3am. Mostly cloudy, with a low around 75. East southeast wind around 8 mph. Chance of precipitation is 40%.
Saturday
Scattered showers, mainly before noon. Mostly sunny, with a high near 89. East wind 9 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Saturday Night
Scattered showers, mainly after midnight. Partly cloudy, with a low around 75. East southeast wind 7 to 9 mph. Chance of precipitation is 30%.
Sunday
Isolated showers. Mostly sunny, with a high near 90. East wind 10 to 15 mph. Chance of precipitation is 20%.
Sunday Night
Isolated showers. Partly cloudy, with a low around 75. East wind around 9 mph. Chance of precipitation is 10%.
Monday
Isolated showers. Mostly sunny, with a high near 90. East southeast wind 9 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Monday Night
Clear, with a low around 76. East southeast wind 6 to 9 mph.
Tuesday
Mostly sunny, with a high near 90. East southeast wind 8 to 14 mph.
Tuesday Night
Mostly clear, with a low around 75. East southeast wind 5 to 7 mph.
Wednesday
Mostly sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
Scattered showers. Mostly sunny, with a high near 89. Chance of precipitation is 40%.