| NWS Forecast for: San Juan and Vicinity Issued by: National Weather Service San Juan, PR Last Update: 243 AM AST Sat Oct 17 2026 | |
| Today: Partly cloudy with isolated showers this morning, then mostly cloudy with numerous showers with isolated thunderstorms this afternoon. Highs around 91. Temperature falling this afternoon. East winds 10 to 15 mph. Chance of rain 60 percent. Tonight: Partly cloudy. Isolated showers in the evening, then scattered showers after midnight. Lows around 82. Southeast winds 5 to 10 mph. Chance of rain 30 percent. Sunday: Partly cloudy with isolated showers in the morning, then variably cloudy with scattered showers with isolated thunderstorms in the afternoon. Highs around 92. Temperature falling in the afternoon. East winds 10 to 15 mph. Chance of rain 50 percent. Sunday Night: Mostly cloudy. Isolated showers in the evening, then scattered showers after midnight. Lows around 82. Southeast winds 5 to 10 mph. Chance of rain 50 percent. Monday: Mostly cloudy with scattered showers. Isolated thunderstorms in the afternoon. Highs around 92. Temperature falling in the afternoon. East winds 10 to 15 mph. Chance of rain 50 percent. Monday Night: Mostly cloudy with numerous showers. Lows around 82. Chance of rain 60 percent. Tuesday: Variably cloudy in the morning, then becoming mostly cloudy. Scattered showers. Isolated thunderstorms in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 50 percent. Tuesday Night: Variably cloudy with scattered showers. Lows around 82. Chance of rain 40 percent. Wednesday: Variably cloudy with scattered showers in the morning, then mostly cloudy with numerous showers with isolated thunderstorms in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 60 percent. Wednesday Night: Variably cloudy with scattered showers. Lows around 82. Chance of rain 40 percent. Thursday: Partly cloudy with isolated showers in the morning, then mostly cloudy with numerous showers with isolated thunderstorms in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 70 percent. Thursday Night: Variably cloudy with scattered showers. Lows around 82. Chance of rain 40 percent. Friday: Variably cloudy with scattered showers in the morning, then cloudy with numerous showers with isolated thunderstorms in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 70 percent. | |
| Zone Forecast: San Juan and Vicinity | |
Visit your local NWS office at: https://www.weather.gov/sju |