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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

89°F

32°C

Humidity 65%
Wind Speed E 17 mph
Barometer 29.98 in (1015.2 mb)
Dewpoint 76°F (24°C)
Visibility 9.00 mi
Heat Index100°F (38°C)
Last update 28 Jul 3:56 pm AST
Detailed forecast for

San Juan and Vicinity

Tonight
Partly cloudy with isolated showers this evening, then variably cloudy with scattered showers after midnight. Lows around 82. East winds 10 to 15 mph. Chance of rain 40 percent.
Wednesday
Partly cloudy. Isolated showers in the morning, then scattered showers in the afternoon. Highs around 92. East winds 15 to 20 mph. Chance of rain 40 percent.
Wednesday Night
Partly cloudy with isolated showers in the evening, then clear after midnight. Lows around 82. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain less than 20 percent.
Thursday
Breezy. Partly cloudy with isolated showers. Hazy. Highs around 92. East winds 15 to 20 mph with gusts up to 30 mph. Chance of rain less than 20 percent.
Thursday Night
Partly cloudy with isolated showers. Hazy. Lows around 82. East winds 10 to 15 mph. Chance of rain 20 percent.
Friday
Partly cloudy with isolated showers in the morning, then variably cloudy with scattered showers in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 40 percent.
Friday Night
Variably cloudy with scattered showers. Lows around 82. Chance of rain 40 percent.
Saturday
Partly cloudy with isolated showers. Highs around 92. Temperature falling in the afternoon. Chance of rain 20 percent.
Saturday Night
Partly cloudy with isolated showers. Lows around 82. Chance of rain less than 20 percent.
Sunday
Variably cloudy with scattered showers. Highs around 92. Chance of rain 50 percent.
Sunday Night
Variably cloudy with scattered showers. Lows around 82. Chance of rain 40 percent.
Monday
Variably cloudy with scattered showers in the morning, then partly cloudy with isolated showers in the afternoon. Highs around 92. Chance of rain 40 percent.
Monday Night
Variably cloudy with scattered showers. Lows around 82. Chance of rain 40 percent.
Tuesday
Variably cloudy with scattered showers in the morning, then partly cloudy with isolated showers in the afternoon. Highs around 92. Chance of rain 30 percent.



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243 PM AST Tue Jul 28 2026
 
 

Additional Resources

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National Digital Forecast Database