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Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy

79°F

26°C

Humidity 89%
Wind Speed S 3 mph
Barometer 29.81 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 5 Nov 6:56 pm AST
Extended Forecast for

2 Miles ESE Guaynabo PR

  • Tonight

    Tonight: Scattered showers and thunderstorms. Partly cloudy, with a low around 78. Light south wind. Chance of precipitation is 40%.

    Low: 78 °F

    Scattered
    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 3pm. High near 86. West southwest wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    High: 86 °F

    Scattered
    Showers then
    Showers

  • Friday Night

    Friday Night: Scattered showers, mainly before 9pm. Partly cloudy, with a low around 79. South southwest wind 3 to 6 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 79 °F

    Scattered
    Showers then
    Isolated
    Showers

  • Saturday

    Saturday: Scattered showers, then showers likely and possibly a thunderstorm after noon. Increasing clouds, with a high near 87. Light and variable wind becoming west around 6 mph in the morning. Chance of precipitation is 70%.

    High: 87 °F

    Scattered
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Isolated showers. Partly cloudy, with a low around 79. Light south southwest wind. Chance of precipitation is 20%.

    Low: 79 °F

    Isolated
    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 86. Calm wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 70%.

    High: 86 °F

    Sunny then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 79. Light south southwest wind.

    Low: 79 °F

    Mostly Clear

  • Monday

    Monday: Showers likely after noon. Partly sunny, with a high near 86. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 70%.

    High: 86 °F

    Sunny then
    Showers
    Likely

  • Monday Night

    Monday Night: Partly cloudy, with a low around 78. Calm wind.

    Low: 78 °F

    Partly Cloudy

Detailed Forecast

Tonight
Scattered showers and thunderstorms. Partly cloudy, with a low around 78. Light south wind. Chance of precipitation is 40%.
Friday
Showers, with thunderstorms also possible after 3pm. High near 86. West southwest wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Friday Night
Scattered showers, mainly before 9pm. Partly cloudy, with a low around 79. South southwest wind 3 to 6 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Scattered showers, then showers likely and possibly a thunderstorm after noon. Increasing clouds, with a high near 87. Light and variable wind becoming west around 6 mph in the morning. Chance of precipitation is 70%.
Saturday Night
Isolated showers. Partly cloudy, with a low around 79. Light south southwest wind. Chance of precipitation is 20%.
Sunday
Showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 86. Calm wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 70%.
Sunday Night
Mostly clear, with a low around 79. Light south southwest wind.
Monday
Showers likely after noon. Partly sunny, with a high near 86. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 70%.
Monday Night
Partly cloudy, with a low around 78. Calm wind.
Tuesday
Scattered showers, mainly after noon. Mostly sunny, with a high near 86. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 79.
Veterans Day
Scattered showers. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 79.
Thursday
Showers likely. Mostly sunny, with a high near 88. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Guaynabo PR
 18.38°N 66.08°W (Elev. 138 ft)
Last Update:
3:55 pm AST Nov 5, 2026
Forecast Valid:
7pm AST Nov 5, 2026-6pm AST Nov 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation