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Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

A Few Clouds

81°F

27°C

Humidity 84%
Wind Speed E 7 mph
Barometer 30.02 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 4 Jul 3:56 am AST
Extended Forecast for

3 Miles SSE Guaynabo PR

  • Overnight

    Overnight: Isolated showers. Widespread haze. Mostly cloudy, with a low around 75. East southeast wind around 8 mph. Chance of precipitation is 20%.

    Low: 75 °F

    Isolated
    Showers

  • Independence Day

    Independence Day: Scattered showers, mainly after noon. Widespread haze before noon. Mostly sunny, with a high near 87. East southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 87 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: Isolated showers before 9pm, then isolated showers after midnight. Widespread haze. Partly cloudy, with a low around 76. East wind 6 to 8 mph. Chance of precipitation is 20%.

    Low: 76 °F

    Isolated
    Showers

  • Sunday

    Sunday: Isolated showers before 3pm. Widespread haze. Mostly sunny, with a high near 87. East wind 9 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 87 °F

    Isolated
    Showers

  • Sunday Night

    Sunday Night: Isolated showers. Widespread haze. Partly cloudy, with a low around 77. East wind around 9 mph. Chance of precipitation is 10%.

    Low: 77 °F

    Isolated
    Showers

  • Monday

    Monday: Isolated showers. Widespread haze. Mostly sunny, with a high near 87. East wind 13 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 87 °F

    Isolated
    Showers

  • Monday Night

    Monday Night: Widespread haze. Partly cloudy, with a low around 76. East wind around 9 mph.

    Low: 76 °F

    Haze

  • Tuesday

    Tuesday: Widespread haze. Mostly sunny, with a high near 86. East wind 13 to 17 mph.

    High: 86 °F

    Haze

  • Tuesday Night

    Tuesday Night: Widespread haze. Mostly clear, with a low around 75. East wind around 10 mph.

    Low: 75 °F

    Haze

Detailed Forecast

Overnight
Isolated showers. Widespread haze. Mostly cloudy, with a low around 75. East southeast wind around 8 mph. Chance of precipitation is 20%.
Independence Day
Scattered showers, mainly after noon. Widespread haze before noon. Mostly sunny, with a high near 87. East southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Saturday Night
Isolated showers before 9pm, then isolated showers after midnight. Widespread haze. Partly cloudy, with a low around 76. East wind 6 to 8 mph. Chance of precipitation is 20%.
Sunday
Isolated showers before 3pm. Widespread haze. Mostly sunny, with a high near 87. East wind 9 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Sunday Night
Isolated showers. Widespread haze. Partly cloudy, with a low around 77. East wind around 9 mph. Chance of precipitation is 10%.
Monday
Isolated showers. Widespread haze. Mostly sunny, with a high near 87. East wind 13 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Monday Night
Widespread haze. Partly cloudy, with a low around 76. East wind around 9 mph.
Tuesday
Widespread haze. Mostly sunny, with a high near 86. East wind 13 to 17 mph.
Tuesday Night
Widespread haze. Mostly clear, with a low around 75. East wind around 10 mph.
Wednesday
Showers likely, mainly after noon. Mostly cloudy, with a high near 85. Chance of precipitation is 60%.
Wednesday Night
Partly cloudy, with a low around 76.
Thursday
Scattered showers. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 76.
Friday
Sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Guaynabo PR
 18.35°N 66.1°W (Elev. 285 ft)
Last Update:
3:26 am AST Jul 4, 2026
Forecast Valid:
4am AST Jul 4, 2026-6pm AST Jul 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation