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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.

A Few Clouds

81°F

27°C

Humidity 79%
Wind Speed SE 3 mph
Barometer 29.98 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 29 Sep 2:56 am AST
Detailed forecast for

San Juan and Vicinity

Today
Variably cloudy with scattered showers. Isolated thunderstorms this afternoon. Highs around 91. Temperature falling this afternoon. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.
Tonight
Partly cloudy. Isolated showers in the evening, then scattered showers after midnight. Lows around 80. East winds 10 to 15 mph. Chance of rain 40 percent.
Wednesday
Partly cloudy with scattered showers. Highs around 91. East winds 15 to 20 mph. Chance of rain 40 percent.
Wednesday Night
Partly cloudy with isolated showers in the evening, then variably cloudy with scattered showers after midnight. Lows around 80. East winds 10 to 15 mph. Chance of rain 40 percent.
Thursday
Partly cloudy with isolated showers in the morning, then mostly cloudy with scattered showers in the afternoon. Highs around 91. Temperature falling in the afternoon. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.
Thursday Night
Partly cloudy with isolated showers. Lows around 80. Chance of rain 20 percent.
Friday
Partly cloudy with isolated showers 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.
Friday Night
Variably cloudy with scattered showers. Lows around 80. Chance of rain 40 percent.
Saturday
Variably cloudy in the morning, then becoming mostly cloudy. Scattered showers. Isolated thunderstorms in the afternoon. Highs around 91. Temperature falling in the afternoon. Chance of rain 50 percent.
Saturday Night
Partly cloudy with isolated showers. Lows around 79. Chance of rain 20 percent.
Sunday
Partly cloudy with isolated showers. Highs around 91. Temperature falling in the afternoon. Chance of rain 20 percent.
Sunday Night
Partly cloudy with isolated showers. Lows around 79. Chance of rain less than 20 percent.
Monday
Variably cloudy with scattered showers in the morning, then partly cloudy with isolated showers in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 30 percent.



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243 AM AST Tue Sep 29 2026
 
 

Additional Resources

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