| NWS Forecast for: Northwest Issued by: National Weather Service San Juan, PR Last Update: 243 PM AST Sat Sep 19 2026 |  |
| Tonight: Variably cloudy with scattered showers this evening, then partly cloudy with isolated showers after midnight. Lows around 83. Southeast winds 5 to 10 mph. Chance of rain 50 percent. Sunday: Partly cloudy in the morning, then variably cloudy with numerous showers with isolated thunderstorms in the afternoon. Highs around 92. Temperature falling in the afternoon. East winds 5 to 10 mph. Chance of rain 70 percent. Sunday Night: Mostly cloudy with scattered showers with isolated thunderstorms in the evening, then partly cloudy with isolated showers after midnight. Lows around 83. Southeast winds 5 to 10 mph. Chance of rain 50 percent. Monday: Partly cloudy in the morning, then cloudy with showers with isolated thunderstorms in the afternoon. Highs around 92. Temperature falling in the afternoon. East winds 5 to 10 mph. Chance of rain 90 percent. Monday Night: Variably cloudy with scattered showers in the evening, then partly cloudy after midnight. Lows around 83. Southeast winds 5 to 10 mph. Chance of rain 50 percent. Tuesday: Sunny in the morning, then variably cloudy with scattered showers with isolated thunderstorms in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 50 percent. Tuesday Night: Clear. Lows around 83. Wednesday: Sunny in the morning, then partly cloudy with isolated showers in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 20 percent. Wednesday Night: Partly cloudy with isolated showers. Lows around 83. Chance of rain less than 20 percent. Thursday: Partly cloudy in the morning, then cloudy with numerous showers with isolated thunderstorms in the afternoon. Highs around 92. Chance of rain 70 percent. Thursday Night: Partly cloudy with isolated showers. Lows around 83. Chance of rain 20 percent. Friday: Sunny 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: Partly cloudy with isolated showers. Lows around 83. Chance of rain less than 20 percent. Saturday: Partly cloudy in the morning, then variably cloudy with scattered showers in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 50 percent. | |
| Zone Forecast: Northwest | |
Visit your local NWS office at: https://www.weather.gov/sju |