Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45° N Lon: 66° W Elev: 10 ft.

Fair

79°F

26°C

Humidity 79%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 10 Jun 1:56 am AST
Detailed forecast for

San Juan and Vicinity

Today
Sunny this morning, then partly cloudy with isolated showers this afternoon. Highs around 91. East winds 10 to 15 mph. Chance of rain 20 percent.
Tonight
Partly cloudy with isolated showers. Lows around 80. Southeast winds 5 to 10 mph. Chance of rain less than 20 percent.
Thursday
Variably cloudy with scattered showers. Isolated thunderstorms in the afternoon. Highs around 91. 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 80. Southeast winds 5 to 10 mph. Chance of rain 40 percent.
Friday
Variably cloudy in the morning, then becoming mostly cloudy. Scattered showers. Highs around 91. East winds 10 to 15 mph. Chance of rain 50 percent.
Friday Night
Clear with isolated showers. Lows around 80. Chance of rain less than 20 percent.
Saturday
Partly cloudy with isolated showers. Highs around 92. Chance of rain 20 percent.
Saturday Night
Clear. Lows around 80.
Sunday
Partly cloudy with isolated showers. Highs around 91. Chance of rain 20 percent.
Sunday Night
Partly cloudy with isolated showers. Lows around 80. Chance of rain 20 percent.
Monday
Breezy. Partly cloudy with isolated showers. Highs around 91. Chance of rain 20 percent.
Monday Night
Partly cloudy with isolated showers. Lows around 80. Chance of rain 20 percent.
Tuesday
Partly cloudy with isolated showers. Highs around 91. Chance of rain 20 percent.



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243 AM AST Wed Jun 10 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database