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Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy

81°F

27°C

Humidity 84%
Wind Speed SE 5 mph
Barometer 30.01 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 11 Oct 10:56 pm AST
Extended Forecast for

4 Miles SW Caguas PR

  • Tonight

    Tonight: Isolated showers after midnight. Partly cloudy, with a low around 73. Light east southeast wind. Chance of precipitation is 20%.

    Low: 73 °F

    Isolated
    Showers

  • Columbus Day

    Columbus Day: Scattered showers, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 85. East southeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 85 °F

    Isolated
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Isolated showers. Partly cloudy, with a low around 73. Calm wind. Chance of precipitation is 20%.

    Low: 73 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Scattered showers, then showers likely and possibly a thunderstorm after noon. Increasing clouds, with a high near 85. Calm wind becoming east 5 to 8 mph in the morning. Chance of precipitation is 70%.

    High: 85 °F

    Scattered
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Scattered showers. Mostly cloudy, with a low around 74. Light east wind. Chance of precipitation is 30%.

    Low: 74 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 86. Light east northeast wind becoming east 5 to 10 mph in the morning. Chance of precipitation is 50%.

    High: 86 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers. Partly cloudy, with a low around 74. Light east northeast wind. Chance of precipitation is 30%.

    Low: 74 °F

    Scattered
    Showers

  • Thursday

    Thursday: Showers likely, mainly after noon. Partly sunny, with a high near 86. Calm wind becoming east 5 to 9 mph in the morning. Chance of precipitation is 60%.

    High: 86 °F

    Mostly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 74. Light northeast wind.

    Low: 74 °F

    Partly Cloudy

Detailed Forecast

Tonight
Isolated showers after midnight. Partly cloudy, with a low around 73. Light east southeast wind. Chance of precipitation is 20%.
Columbus Day
Scattered showers, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 85. East southeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Isolated showers. Partly cloudy, with a low around 73. Calm wind. Chance of precipitation is 20%.
Tuesday
Scattered showers, then showers likely and possibly a thunderstorm after noon. Increasing clouds, with a high near 85. Calm wind becoming east 5 to 8 mph in the morning. Chance of precipitation is 70%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 74. Light east wind. Chance of precipitation is 30%.
Wednesday
Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 86. Light east northeast wind becoming east 5 to 10 mph in the morning. Chance of precipitation is 50%.
Wednesday Night
Scattered showers. Partly cloudy, with a low around 74. Light east northeast wind. Chance of precipitation is 30%.
Thursday
Showers likely, mainly after noon. Partly sunny, with a high near 86. Calm wind becoming east 5 to 9 mph in the morning. Chance of precipitation is 60%.
Thursday Night
Partly cloudy, with a low around 74. Light northeast wind.
Friday
Mostly sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 73.
Saturday
Scattered showers. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 73.
Sunday
Scattered showers. Mostly sunny, with a high near 86. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Caguas PR
 18.19°N 66.08°W (Elev. 837 ft)
Last Update:
4:30 pm AST Oct 11, 2026
Forecast Valid:
11pm AST Oct 11, 2026-6pm AST Oct 18, 2026
 
Forecast Discussion
 
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Additional Resources

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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