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Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy

80°F

27°C

Humidity 90%
Wind Speed Calm
Barometer 29.96 in (1014.5 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 15 Oct 4:56 am AST
Extended Forecast for

San Juan PR

  • Overnight

    Overnight: Scattered showers. Partly cloudy, with a low around 80. East southeast wind around 7 mph. Chance of precipitation is 50%.

    Low: 80 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers, mainly before 3pm. Mostly sunny, with a high near 88. East northeast wind 8 to 14 mph. Chance of precipitation is 40%.

    High: 88 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Scattered showers, mainly after 9pm. Partly cloudy, with a low around 80. East wind 6 to 9 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 80 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers. Mostly sunny, with a high near 88. East northeast wind 7 to 14 mph. Chance of precipitation is 40%.

    High: 88 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Isolated showers. Mostly clear, with a low around 79. East wind around 9 mph. Chance of precipitation is 20%.

    Low: 79 °F

    Isolated
    Showers

  • Saturday

    Saturday: Scattered showers, mainly after noon. Mostly sunny, with a high near 88. East wind 6 to 14 mph. Chance of precipitation is 40%.

    High: 88 °F

    Isolated
    Showers then
    Scattered
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 79. Southeast wind 5 to 8 mph.

    Low: 79 °F

    Mostly Clear

  • Sunday

    Sunday: Scattered showers, mainly after noon. Mostly sunny, with a high near 88. East northeast wind 5 to 14 mph. Chance of precipitation is 30%.

    High: 88 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 79. East southeast wind 3 to 7 mph.

    Low: 79 °F

    Partly Cloudy

Detailed Forecast

Overnight
Scattered showers. Partly cloudy, with a low around 80. East southeast wind around 7 mph. Chance of precipitation is 50%.
Thursday
Scattered showers, mainly before 3pm. Mostly sunny, with a high near 88. East northeast wind 8 to 14 mph. Chance of precipitation is 40%.
Thursday Night
Scattered showers, mainly after 9pm. Partly cloudy, with a low around 80. East wind 6 to 9 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Scattered showers. Mostly sunny, with a high near 88. East northeast wind 7 to 14 mph. Chance of precipitation is 40%.
Friday Night
Isolated showers. Mostly clear, with a low around 79. East wind around 9 mph. Chance of precipitation is 20%.
Saturday
Scattered showers, mainly after noon. Mostly sunny, with a high near 88. East wind 6 to 14 mph. Chance of precipitation is 40%.
Saturday Night
Mostly clear, with a low around 79. Southeast wind 5 to 8 mph.
Sunday
Scattered showers, mainly after noon. Mostly sunny, with a high near 88. East northeast wind 5 to 14 mph. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 79. East southeast wind 3 to 7 mph.
Monday
Scattered showers. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 79.
Tuesday
Scattered showers. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 78.
Wednesday
Showers likely. Partly sunny, with a high near 86. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Juan PR
 18.41°N 66.07°W (Elev. 56 ft)
Last Update:
3:48 am AST Oct 15, 2026
Forecast Valid:
5am AST Oct 15, 2026-6pm AST Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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