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: 3:38 pm AST Apr 19, 2026
San Juan
This Afternoon High: 87 °F
Scattered Showers
Tonight
Low: 73 °F
Showers Likely
Monday
High: 87 °F
Scattered Showers
Monday Night Low: 73 °F
Scattered Showers
Tuesday
High: 87 °F
Isolated Showers
Tuesday Night Low: 73 °F
Scattered Showers
Wednesday
High: 86 °F
Scattered Showers
Wednesday Night Low: 72 °F
Partly Cloudy
Thursday
High: 86 °F
Scattered Showers
This Afternoon
Scattered showers. Partly sunny, with a high near 87. East wind around 14 mph. Chance of precipitation is 40%.
Tonight
Showers likely, mainly between midnight and 3am. Mostly cloudy, with a low around 73. East wind 8 to 10 mph. Chance of precipitation is 60%.
Monday
Scattered showers, mainly after noon. Mostly sunny, with a high near 87. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Monday Night
Scattered showers, mainly after midnight. Mostly cloudy, with a low around 73. East southeast wind 7 to 9 mph. Chance of precipitation is 40%.
Tuesday
Isolated showers. Mostly sunny, with a high near 87. East wind 8 to 13 mph. Chance of precipitation is 20%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 73. East northeast wind around 7 mph. Chance of precipitation is 40%.
Wednesday
Scattered showers. Partly sunny, with a high near 86. East northeast wind 6 to 11 mph. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 72. East wind 3 to 7 mph.
Thursday
Scattered showers. Mostly sunny, with a high near 86. East northeast wind 5 to 11 mph. Chance of precipitation is 30%.
Thursday Night
Scattered showers. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
Friday
Showers likely. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 72.
Saturday
Showers likely. Mostly sunny, with a high near 86. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 72.
Sunday
Showers likely. Mostly sunny, with a high near 86.