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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.

Partly Cloudy

77°F

25°C

Humidity 69%
Wind Speed NE 6 mph
Barometer 29.98 in (1015.2 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 29 Mar 1:56 am AST
Detailed forecast for

San Juan and Vicinity

Tonight
Variably cloudy, then becoming mostly cloudy after midnight, then becoming variably cloudy. Scattered showers. Lows around 78. Northeast winds 5 to 10 mph. Chance of rain 50 percent.
Sunday
Variably cloudy with scattered showers. Isolated thunderstorms in the afternoon. Highs around 84. Northeast winds 10 to 15 mph. Chance of rain 50 percent.
Sunday Night
Clear with isolated showers in the evening, then partly cloudy with scattered showers after midnight. Lows around 77. Northeast winds 10 to 15 mph. Chance of rain 30 percent.
Monday
Variably cloudy with scattered showers. Highs around 84. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent.
Monday Night
Mostly cloudy with numerous showers with isolated thunderstorms. Lows around 77. Northeast winds 10 to 15 mph. Chance of rain 60 percent.
Tuesday
Mostly cloudy with scattered showers with isolated thunderstorms. Highs around 83. Chance of rain 50 percent.
Tuesday Night
Mostly cloudy with numerous showers with isolated thunderstorms. Lows around 75. Chance of rain 60 percent.
Wednesday
Mostly cloudy with isolated thunderstorms. Numerous showers, mainly in the morning. Highs around 84. Chance of rain 60 percent.
Wednesday Night
Mostly cloudy with numerous showers with isolated thunderstorms. Lows around 77. Chance of rain 60 percent.
Thursday
Variably cloudy with scattered showers with isolated thunderstorms. Highs around 85. Chance of rain 50 percent.
Thursday Night
Variably cloudy with scattered showers with isolated thunderstorms. Lows around 78. Chance of rain 50 percent.
Friday
Variably cloudy with scattered showers in the morning, then partly cloudy with isolated showers in the afternoon. Highs around 85. Chance of rain 40 percent.
Friday Night
Variably cloudy with scattered showers. Lows around 77. Chance of rain 40 percent.
Saturday
Partly cloudy with isolated showers in the morning, then sunny in the afternoon. Highs around 85. Chance of rain 20 percent.



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243 PM AST Sat Mar 28 2026
 
 

Additional Resources

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National Digital Forecast Database