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Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy

85°F

29°C

Humidity 70%
Wind Speed Vrbl 5 mph
Barometer 29.85 in (1010.6 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 6 Nov 9:56 am AST
Extended Forecast for

Rio Lajas PR

  • Today

    Today: Scattered showers, then showers likely and possibly a thunderstorm after noon. Increasing clouds, with a high near 84. West southwest wind 5 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 84 °F

    Scattered
    Showers then
    Showers
    Likely

  • Tonight

    Tonight: Scattered showers, mainly before 9pm. Partly cloudy, with a low around 76. Southwest wind around 5 mph. Chance of precipitation is 40%.

    Low: 76 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers, then showers likely and possibly a thunderstorm after noon. Increasing clouds, with a high near 86. West northwest wind 3 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.

    High: 86 °F

    Scattered
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Clear, with a low around 76. South southwest wind 3 to 5 mph.

    Low: 76 °F

    Clear

  • Sunday

    Sunday: Isolated showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 88. Light and variable wind becoming west northwest 5 to 7 mph in the morning. Chance of precipitation is 70%.

    High: 88 °F

    Isolated
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Scattered showers. Mostly cloudy, with a low around 76. Calm wind. Chance of precipitation is 40%.

    Low: 76 °F

    Scattered
    Showers

  • Monday

    Monday: Showers likely after noon. Mostly sunny, with a high near 87. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 60%.

    High: 87 °F

    Sunny then
    Showers
    Likely

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Scattered showers after noon. Mostly sunny, with a high near 88. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 50%.

    High: 88 °F

    Sunny then
    Scattered
    Showers

Detailed Forecast

Today
Scattered showers, then showers likely and possibly a thunderstorm after noon. Increasing clouds, with a high near 84. West southwest wind 5 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Scattered showers, mainly before 9pm. Partly cloudy, with a low around 76. Southwest wind around 5 mph. Chance of precipitation is 40%.
Saturday
Scattered showers, then showers likely and possibly a thunderstorm after noon. Increasing clouds, with a high near 86. West northwest wind 3 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.
Saturday Night
Clear, with a low around 76. South southwest wind 3 to 5 mph.
Sunday
Isolated showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 88. Light and variable wind becoming west northwest 5 to 7 mph in the morning. Chance of precipitation is 70%.
Sunday Night
Scattered showers. Mostly cloudy, with a low around 76. Calm wind. Chance of precipitation is 40%.
Monday
Showers likely after noon. Mostly sunny, with a high near 87. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 60%.
Monday Night
Mostly clear, with a low around 76. Calm wind.
Tuesday
Scattered showers after noon. Mostly sunny, with a high near 88. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 50%.
Tuesday Night
Partly cloudy, with a low around 76.
Veterans Day
Scattered showers. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
Showers likely. Mostly sunny, with a high near 89. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rio Lajas PR
 18.4°N 66.27°W (Elev. 131 ft)
Last Update:
4:06 am AST Nov 6, 2026
Forecast Valid:
10am AST Nov 6, 2026-6pm AST Nov 12, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation