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Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45° N Lon: 66° W Elev: 10 ft.

Mostly Cloudy

79°F

26°C

Humidity 89%
Wind Speed S 3 mph
Barometer 29.94 in
Dewpoint 75°F (24°C)
Visibility 8.00 mi
Heat Index83°F (28°C)
Last update 17 Oct 4:56 am AST
Detailed forecast for

San Juan and Vicinity

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.



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243 AM AST Sat Oct 17 2026
 
 

Additional Resources

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