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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 90%
Wind Speed Calm
Barometer 29.90 in (1012.5 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 13 Oct 3:56 am AST
Extended Forecast for

San Juan PRSimilar City Names

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 79. East wind around 6 mph. Chance of precipitation is 60%.

    Low: 79 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 9am, then scattered showers and thunderstorms between 9am and 3pm, then scattered showers after 3pm. Mostly cloudy, with a high near 87. East northeast wind 8 to 11 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 87 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Scattered showers, mainly before 9pm. Partly cloudy, with a low around 80. East wind 5 to 7 mph. Chance of precipitation is 30%.

    Low: 80 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers. Partly sunny, with a high near 89. Heat index values as high as 103. East northeast wind 8 to 13 mph. Chance of precipitation is 40%.

    High: 89 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers, mainly before midnight. Partly cloudy, with a low around 80. East wind 5 to 8 mph. Chance of precipitation is 40%.

    Low: 80 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers, mainly before noon. Mostly sunny, with a high near 88. East northeast wind 8 to 14 mph. Chance of precipitation is 30%.

    High: 88 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Scattered showers. Mostly cloudy, with a low around 80. East wind 5 to 7 mph. Chance of precipitation is 40%.

    Low: 80 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers, mainly before noon. Mostly sunny, with a high near 88. East northeast wind 5 to 14 mph. Chance of precipitation is 40%.

    High: 88 °F

    Scattered
    Showers then
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 79. East southeast wind around 7 mph.

    Low: 79 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 79. East wind around 6 mph. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm before 9am, then scattered showers and thunderstorms between 9am and 3pm, then scattered showers after 3pm. Mostly cloudy, with a high near 87. East northeast wind 8 to 11 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Scattered showers, mainly before 9pm. Partly cloudy, with a low around 80. East wind 5 to 7 mph. Chance of precipitation is 30%.
Wednesday
Scattered showers. Partly sunny, with a high near 89. Heat index values as high as 103. East northeast wind 8 to 13 mph. Chance of precipitation is 40%.
Wednesday Night
Scattered showers, mainly before midnight. Partly cloudy, with a low around 80. East wind 5 to 8 mph. Chance of precipitation is 40%.
Thursday
Scattered showers, mainly before noon. Mostly sunny, with a high near 88. East northeast wind 8 to 14 mph. Chance of precipitation is 30%.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 80. East wind 5 to 7 mph. Chance of precipitation is 40%.
Friday
Scattered showers, mainly before noon. Mostly sunny, with a high near 88. East northeast wind 5 to 14 mph. Chance of precipitation is 40%.
Friday Night
Mostly clear, with a low around 79. East southeast wind around 7 mph.
Saturday
Scattered showers, mainly after noon. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Saturday Night
Clear, with a low around 79.
Sunday
Scattered showers. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 79.
Monday
Scattered showers. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
San Juan PRSimilar City Names
 18.41°N 66.07°W (Elev. 56 ft)
Last Update:
3:35 am AST Oct 13, 2026
Forecast Valid:
4am AST Oct 13, 2026-6pm AST Oct 19, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation