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Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy

82°F

28°C

Humidity 84%
Wind Speed E 10 mph
Barometer 30.02 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 15 Oct 8:56 am AST
Extended Forecast for

Trujillo Alto PR

  • Today

    Today: Scattered showers, mainly before 3pm. Mostly sunny, with a high near 86. East northeast wind 8 to 13 mph. Chance of precipitation is 40%.

    High: 86 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers, mainly after 9pm. Partly cloudy, with a low around 78. East wind 5 to 7 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 78 °F

    Scattered
    Showers

  • Friday

    Friday: Isolated showers before noon, then scattered showers and thunderstorms between noon and 3pm, then scattered showers after 3pm. Mostly sunny, with a high near 86. East wind 6 to 13 mph. Chance of precipitation is 50%.

    High: 86 °F

    Isolated
    Showers then
    Scattered
    Showers

  • Friday Night

    Friday Night: Isolated showers. Mostly clear, with a low around 78. East wind 7 to 9 mph. Chance of precipitation is 20%.

    Low: 78 °F

    Isolated
    Showers

  • Saturday

    Saturday: Scattered showers, mainly after noon. Mostly sunny, with a high near 86. East wind 6 to 13 mph. Chance of precipitation is 30%.

    High: 86 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: Isolated showers after midnight. Mostly clear, with a low around 78. Southeast wind 5 to 7 mph. Chance of precipitation is 20%.

    Low: 78 °F

    Clear then
    Isolated
    Showers

  • Sunday

    Sunday: Scattered showers, mainly after noon. Mostly sunny, with a high near 87. Light east southeast wind becoming east 8 to 13 mph in the morning. Chance of precipitation is 40%.

    High: 87 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 78. East southeast wind 3 to 6 mph.

    Low: 78 °F

    Partly Cloudy

  • Monday

    Monday: Scattered showers. Partly sunny, with a high near 87. East wind 6 to 14 mph. Chance of precipitation is 40%.

    High: 87 °F

    Scattered
    Showers

Detailed Forecast

Today
Scattered showers, mainly before 3pm. Mostly sunny, with a high near 86. East northeast wind 8 to 13 mph. Chance of precipitation is 40%.
Tonight
Scattered showers, mainly after 9pm. Partly cloudy, with a low around 78. East wind 5 to 7 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Isolated showers before noon, then scattered showers and thunderstorms between noon and 3pm, then scattered showers after 3pm. Mostly sunny, with a high near 86. East wind 6 to 13 mph. Chance of precipitation is 50%.
Friday Night
Isolated showers. Mostly clear, with a low around 78. East wind 7 to 9 mph. Chance of precipitation is 20%.
Saturday
Scattered showers, mainly after noon. Mostly sunny, with a high near 86. East wind 6 to 13 mph. Chance of precipitation is 30%.
Saturday Night
Isolated showers after midnight. Mostly clear, with a low around 78. Southeast wind 5 to 7 mph. Chance of precipitation is 20%.
Sunday
Scattered showers, mainly after noon. Mostly sunny, with a high near 87. Light east southeast wind becoming east 8 to 13 mph in the morning. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 78. East southeast wind 3 to 6 mph.
Monday
Scattered showers. Partly sunny, with a high near 87. East wind 6 to 14 mph. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 77.
Tuesday
Scattered showers. Partly sunny, with a high near 87. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 77.
Wednesday
Showers likely. Partly sunny, with a high near 85. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Trujillo Alto PR
 18.37°N 66.02°W (Elev. 174 ft)
Last Update:
3:48 am AST Oct 15, 2026
Forecast Valid:
9am AST Oct 15, 2026-6pm AST Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation