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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 85%
Wind Speed S 3 mph
Barometer 29.93 in (1013.5 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 16 Oct 4:56 am AST
Extended Forecast for

San Juan PR

  • Overnight

    Overnight: Showers likely. Mostly cloudy, with a low around 80. East southeast wind around 5 mph. Chance of precipitation is 60%.

    Low: 80 °F

    Showers
    Likely

  • Friday

    Friday: Scattered showers, mainly after noon. Mostly sunny, with a high near 89. East northeast wind 7 to 14 mph. Chance of precipitation is 40%.

    High: 89 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Scattered showers, mainly after 9pm. Increasing clouds, with a low around 80. East wind around 8 mph. Chance of precipitation is 50%.

    Low: 80 °F

    Scattered
    Showers

  • Saturday

    Saturday: Isolated showers before noon, then scattered showers and thunderstorms between noon and 3pm, then scattered showers after 3pm. Mostly sunny, with a high near 91. East wind 6 to 13 mph. Chance of precipitation is 50%.

    High: 91 °F

    Isolated
    Showers then
    Scattered
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly after midnight. Mostly cloudy, with a low around 79. Southeast wind 5 to 8 mph. Chance of precipitation is 60%.

    Low: 79 °F

    Showers
    Likely

  • Sunday

    Sunday: Scattered showers. Partly sunny, with a high near 89. Light east southeast wind becoming east 8 to 13 mph in the morning. Chance of precipitation is 50%.

    High: 89 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: Scattered showers, mainly after midnight. Mostly cloudy, with a low around 79. East southeast wind 3 to 7 mph. Chance of precipitation is 50%.

    Low: 79 °F

    Mostly Cloudy
    then
    Scattered
    Showers

  • Monday

    Monday: Scattered showers. Partly sunny, with a high near 90. East northeast wind 6 to 14 mph. Chance of precipitation is 50%.

    High: 90 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Showers likely. Mostly cloudy, with a low around 79. Southeast wind 3 to 8 mph. Chance of precipitation is 60%.

    Low: 79 °F

    Showers
    Likely

Detailed Forecast

Overnight
Showers likely. Mostly cloudy, with a low around 80. East southeast wind around 5 mph. Chance of precipitation is 60%.
Friday
Scattered showers, mainly after noon. Mostly sunny, with a high near 89. East northeast wind 7 to 14 mph. Chance of precipitation is 40%.
Friday Night
Scattered showers, mainly after 9pm. Increasing clouds, with a low around 80. East wind around 8 mph. Chance of precipitation is 50%.
Saturday
Isolated showers before noon, then scattered showers and thunderstorms between noon and 3pm, then scattered showers after 3pm. Mostly sunny, with a high near 91. East wind 6 to 13 mph. Chance of precipitation is 50%.
Saturday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 79. Southeast wind 5 to 8 mph. Chance of precipitation is 60%.
Sunday
Scattered showers. Partly sunny, with a high near 89. Light east southeast wind becoming east 8 to 13 mph in the morning. Chance of precipitation is 50%.
Sunday Night
Scattered showers, mainly after midnight. Mostly cloudy, with a low around 79. East southeast wind 3 to 7 mph. Chance of precipitation is 50%.
Monday
Scattered showers. Partly sunny, with a high near 90. East northeast wind 6 to 14 mph. Chance of precipitation is 50%.
Monday Night
Showers likely. Mostly cloudy, with a low around 79. Southeast wind 3 to 8 mph. Chance of precipitation is 60%.
Tuesday
Scattered showers. Partly sunny, with a high near 89. Chance of precipitation is 50%.
Tuesday Night
Scattered showers. Partly cloudy, with a low around 79. Chance of precipitation is 30%.
Wednesday
Showers likely. Mostly cloudy, with a high near 89. Chance of precipitation is 70%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 79. Chance of precipitation is 40%.
Thursday
Scattered showers. Partly sunny, with a high near 90. Chance of precipitation is 50%.
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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:
5:01 am AST Oct 16, 2026
Forecast Valid:
5am AST Oct 16, 2026-6pm AST Oct 22, 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