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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

79°F

26°C

Humidity 74%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 70°F (21°C)
Visibility 8.00 mi
Heat Index82°F (28°C)
Last update 1 Jun 6:56 am AST
Detailed forecast for

San Juan and Vicinity

Today
Partly cloudy, then becoming sunny late this morning, then becoming variably cloudy, then becoming sunny late. Isolated showers this morning, then scattered showers this afternoon. Hazy. Highs around 93. Southeast winds 15 to 20 mph. Chance of rain 30 percent.
Tonight
Mostly clear in the evening, then becoming partly cloudy. Isolated showers. Hazy. Lows around 80. Southeast winds 5 to 10 mph. Chance of rain 20 percent.
Tuesday
Sunny. Isolated showers in the morning. Hazy. Highs around 92. Southeast winds 15 to 20 mph. Chance of rain 20 percent.
Tuesday Night
Clear, hazy. Lows around 80. East winds 10 to 15 mph.
Wednesday
Partly cloudy with isolated showers. Highs around 91. East winds 15 to 20 mph. Chance of rain 20 percent.
Wednesday Night
Variably cloudy with scattered showers. Lows around 80. Chance of rain 40 percent.
Thursday
Partly cloudy with isolated showers. Hazy. Highs around 91. Chance of rain 20 percent.
Thursday Night
Clear, hazy. Lows around 80.
Friday
Partly cloudy with isolated showers in the morning, then sunny in the afternoon. Hazy. Highs around 91. Chance of rain 20 percent.
Friday Night
Partly cloudy with isolated showers. Hazy. Lows around 80. Chance of rain less than 20 percent.
Saturday
Partly cloudy with isolated showers. Highs around 91. Chance of rain 20 percent.
Saturday Night
Partly cloudy with isolated showers. Lows around 80. Chance of rain less than 20 percent.
Sunday
Sunny in the morning, then partly cloudy with isolated showers in the afternoon. Highs around 90. Chance of rain 20 percent.



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243 AM AST Mon Jun 1 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database