| NWS Forecast for: San Juan and Vicinity Issued by: National Weather Service San Juan, PR Last Update: 243 PM AST Sun Oct 18 2026 |  |
| Tonight: Variably cloudy early this evening, then clearing. Scattered showers, mainly this evening. Lows around 82. Southeast winds 5 to 10 mph. Chance of rain 50 percent. Monday: Partly cloudy with isolated showers in the morning, then mostly 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. Monday Night: Partly cloudy in the evening, then becoming variably cloudy. Scattered showers. Lows around 82. Southeast winds 5 to 10 mph. Chance of rain 50 percent. Tuesday: 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. Southeast winds 10 to 15 mph. Chance of rain 70 percent. Tuesday Night: Mostly cloudy in the evening, then becoming variably cloudy. Isolated thunderstorms in the evening. Scattered showers. Lows around 82. Southeast winds 5 to 10 mph. Chance of rain 50 percent. Wednesday: Partly cloudy with isolated showers in the morning, then mostly cloudy with scattered showers in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 50 percent. Wednesday Night: Partly cloudy with isolated showers. Lows around 82. Chance of rain 20 percent. Thursday: Partly cloudy with isolated 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. Thursday Night: Partly cloudy with isolated showers. Lows around 82. Chance of rain 20 percent. Friday: Partly cloudy with isolated 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. Friday Night: Variably cloudy with scattered showers. Lows around 82. Chance of rain 40 percent. Saturday: 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 60 percent. Saturday Night: Partly cloudy with isolated showers. Lows around 82. Chance of rain 20 percent. Sunday: Partly cloudy with isolated showers in the morning, then mostly cloudy with scattered showers in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 50 percent. | |
| Zone Forecast: San Juan and Vicinity | |
Visit your local NWS office at: https://www.weather.gov/sju |