| NWS Forecast for: San Juan and Vicinity Issued by: National Weather Service San Juan, PR Last Update: 243 AM AST Wed Sep 30 2026 | |
| Today: Variably cloudy with scattered showers. Highs around 94. Temperature falling this afternoon. East winds 15 to 20 mph. Chance of rain 50 percent. Tonight: Variably cloudy with scattered showers. Lows around 82. East winds 10 to 15 mph. Chance of rain 50 percent. Thursday: Variably cloudy with scattered showers. Highs around 94. Temperature falling in the afternoon. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent. Thursday Night: Variably cloudy with scattered showers in the evening, then partly cloudy with isolated showers after midnight. Lows around 82. East winds 5 to 10 mph. Chance of rain 40 percent. Friday: Variably cloudy with scattered showers in the morning, then mostly cloudy with numerous showers with isolated thunderstorms in the afternoon. Highs around 94. Temperature falling in the afternoon. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 60 percent. Friday Night: Partly cloudy with isolated showers. Lows around 82. Chance of rain 20 percent. Saturday: Variably cloudy with scattered showers in the morning, then mostly cloudy with numerous showers with isolated thunderstorms in the afternoon. Highs around 94. 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 variably cloudy with scattered showers in the afternoon. Highs around 93. Temperature falling in the afternoon. Chance of rain 40 percent. Sunday Night: Partly cloudy. Lows around 82. Monday: Partly cloudy with isolated showers. Highs around 93. Temperature falling in the afternoon. Chance of rain 20 percent. Monday Night: Partly cloudy with isolated showers. Lows around 82. Chance of rain 20 percent. Tuesday: Partly cloudy with isolated showers. Highs around 93. Temperature falling in the afternoon. Chance of rain 20 percent. | |
| Zone Forecast: San Juan and Vicinity | |
Visit your local NWS office at: https://www.weather.gov/sju |