Issued by: National Weather Service San Juan, PR
Updated: 8:40 pm AST Jan 21, 2026
| Overnight | Showers likely, mainly after 3am. Mostly cloudy, with a low around 73. East wind around 11 mph. Chance of precipitation is 60%. |
| Thursday | Scattered showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 85. East wind 13 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible. |
| Thursday Night | Showers likely, mainly before 9pm. Mostly cloudy, with a low around 74. East wind 7 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible. |
| Friday | Scattered showers. Partly sunny, with a high near 85. East wind 8 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. |
| Friday Night | Scattered showers, mainly after midnight. Partly cloudy, with a low around 74. East wind 7 to 9 mph. Chance of precipitation is 30%. |
| Saturday | Scattered showers. Partly sunny, with a high near 85. East wind 8 to 14 mph. Chance of precipitation is 40%. |
| Saturday Night | Partly cloudy, with a low around 74. East wind around 8 mph. |
| Sunday | Mostly sunny, with a high near 86. East wind 9 to 15 mph. |
| Sunday Night | Mostly clear, with a low around 74. East wind around 9 mph. |
| Monday | Mostly sunny, with a high near 85. |
| Monday Night | Partly cloudy, with a low around 74. |
| Tuesday | Sunny, with a high near 86. |
| Tuesday Night | Partly cloudy, with a low around 72. |
| Wednesday | Sunny, with a high near 85. |
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