| NWS Forecast for: Western Interior Issued by: National Weather Service San Juan, PR Last Update: 243 PM AST Tue Sep 8 2026 | |
| Tonight: Partly cloudy with isolated showers this evening, then mostly clear after midnight. Lows around 77. East winds 5 to 10 mph. Chance of rain less than 20 percent. Wednesday: Hazy in the morning. Mostly sunny with isolated showers in the morning, then mostly cloudy with numerous showers with isolated thunderstorms in the afternoon. Highs around 90. Temperature falling in the afternoon. East winds 5 to 10 mph with gusts up to 30 mph. Chance of rain 70 percent. Wednesday Night: Clear, hazy. Lows around 78. East winds 5 to 10 mph. Thursday: Hazy in the morning. Mostly sunny in the morning, then mostly cloudy with numerous showers with isolated thunderstorms in the afternoon. Highs around 91. Temperature falling in the afternoon. East winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 60 percent. Thursday Night: Clear, hazy. Lows around 77. East winds 5 to 10 mph. Gusts up to 25 mph in the evening. Friday: Hazy in the morning. Partly cloudy with isolated showers in the morning, then variably cloudy with scattered showers with isolated thunderstorms in the afternoon. Highs around 93. Temperature falling in the afternoon. Chance of rain 40 percent. Friday Night: Clear, hazy. Lows around 76. Saturday: Sunny in the morning, then variably cloudy with scattered showers with isolated thunderstorms in the afternoon. Hazy. Highs around 93. Chance of rain 40 percent. Saturday Night: Clear, hazy. Lows around 76. Sunday: Sunny in the morning, then mostly cloudy with numerous showers with isolated thunderstorms in the afternoon. Highs around 91. Temperature falling in the afternoon. Chance of rain 60 percent. Sunday Night: Partly cloudy with isolated showers. Lows around 76. Chance of rain 20 percent. Monday: 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. Monday Night: Partly cloudy with isolated showers. Lows around 75. Chance of rain 20 percent. Tuesday: Partly cloudy in the morning, then mostly cloudy with scattered showers with isolated thunderstorms in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 50 percent. | |
| Zone Forecast: Western Interior | |
Visit your local NWS office at: https://www.weather.gov/sju |