Issued by: National Weather Service San Juan, PR
Updated: 10:53 am AST Apr 28, 2026
| Today | Scattered showers, then showers and possibly a thunderstorm after noon. High near 87. East southeast wind 3 to 6 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible. |
| Tonight | Showers likely and possibly a thunderstorm before 9pm, then scattered showers. Mostly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible. |
| Wednesday | Scattered showers, then showers likely and possibly a thunderstorm after 3pm. Increasing clouds, with a high near 88. East wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible. |
| Wednesday Night | Scattered showers. Mostly cloudy, with a low around 76. East wind 3 to 6 mph. Chance of precipitation is 50%. |
| Thursday | Scattered showers. Partly sunny, with a high near 88. Light east southeast wind becoming east 5 to 9 mph in the morning. Chance of precipitation is 40%. |
| Thursday Night | Scattered showers. Partly cloudy, with a low around 75. East southeast wind 5 to 8 mph. Chance of precipitation is 30%. |
| Friday | Scattered showers. Partly sunny, with a high near 89. Light east southeast wind becoming east 10 to 15 mph in the morning. Chance of precipitation is 50%. |
| Friday Night | Scattered showers. Partly cloudy, with a low around 75. East southeast wind 7 to 9 mph. Chance of precipitation is 30%. |
| Saturday | Scattered showers, mainly before noon. Mostly sunny, with a high near 89. East wind 9 to 16 mph. Chance of precipitation is 40%. |
| Saturday Night | Clear, with a low around 75. |
| Sunday | Mostly sunny, with a high near 90. |
| Sunday Night | Partly cloudy, with a low around 75. |
| Monday | Mostly sunny, with a high near 90. |
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