National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Mostly Cloudy

81°F

27°C

Humidity 70%
Wind Speed E 13 mph
Barometer 30.00 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 12 Jan 5:56 pm AST
Extended Forecast for

Loiza PR

  • Tonight

    Tonight: Scattered showers, mainly between 9pm and 3am. Mostly cloudy, with a low around 72. East wind 8 to 11 mph. Chance of precipitation is 50%.

    Low: 72 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers, mainly before 9am. Mostly sunny, with a high near 84. East wind 6 to 11 mph. Chance of precipitation is 40%.

    High: 84 °F

    Scattered
    Showers then
    Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers, mainly after 3am. Partly cloudy, with a low around 73. East wind 7 to 9 mph. Chance of precipitation is 30%.

    Low: 73 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers. Partly sunny, with a high near 83. East wind 8 to 13 mph. Chance of precipitation is 40%.

    High: 83 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers. Mostly cloudy, with a low around 73. East southeast wind around 10 mph. Chance of precipitation is 50%.

    Low: 73 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers. Partly sunny, with a high near 85. East southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    High: 85 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Scattered showers. Mostly cloudy, with a low around 73. Southeast wind around 9 mph. Chance of precipitation is 40%.

    Low: 73 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers. Partly sunny, with a high near 85. East wind 7 to 14 mph. Chance of precipitation is 50%.

    High: 85 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Scattered showers. Mostly cloudy, with a low around 73. East wind 11 to 13 mph. Chance of precipitation is 50%.

    Low: 73 °F

    Scattered
    Showers

Detailed Forecast

Tonight
Scattered showers, mainly between 9pm and 3am. Mostly cloudy, with a low around 72. East wind 8 to 11 mph. Chance of precipitation is 50%.
Tuesday
Scattered showers, mainly before 9am. Mostly sunny, with a high near 84. East wind 6 to 11 mph. Chance of precipitation is 40%.
Tuesday Night
Scattered showers, mainly after 3am. Partly cloudy, with a low around 73. East wind 7 to 9 mph. Chance of precipitation is 30%.
Wednesday
Scattered showers. Partly sunny, with a high near 83. East wind 8 to 13 mph. Chance of precipitation is 40%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 73. East southeast wind around 10 mph. Chance of precipitation is 50%.
Thursday
Scattered showers. Partly sunny, with a high near 85. East southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 73. Southeast wind around 9 mph. Chance of precipitation is 40%.
Friday
Scattered showers. Partly sunny, with a high near 85. East wind 7 to 14 mph. Chance of precipitation is 50%.
Friday Night
Scattered showers. Mostly cloudy, with a low around 73. East wind 11 to 13 mph. Chance of precipitation is 50%.
Saturday
Scattered showers before noon. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 74. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Scattered showers. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
M.L.King Day
Scattered showers. Mostly sunny, with a high near 84. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Loiza PR
 18.44°N 65.89°W (Elev. 3 ft)
Last Update:
3:44 pm AST Jan 12, 2026
Forecast Valid:
6pm AST Jan 12, 2026-6pm AST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation