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

Hazardous Weather Conditions

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy

78°F

26°C

Humidity 82%
Wind Speed SE 3 mph
Barometer 30.07 in (1018.1 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 14 Jul 4:56 am AST
Extended Forecast for

Loiza PR

  • Overnight

    Overnight: Scattered showers. Partly cloudy, with a low around 77. East southeast wind around 9 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Scattered
    Showers

  • Monday

    Monday: Scattered showers. Partly sunny, with a high near 88. East southeast wind 13 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 88 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Isolated showers after midnight. Mostly clear, with a low around 78. East southeast wind 11 to 13 mph. Chance of precipitation is 20%.

    Low: 78 °F

    Mostly Clear
    then Isolated
    Showers

  • Tuesday

    Tuesday: Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 89. East wind 13 to 15 mph. Chance of precipitation is 40%.

    High: 89 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Isolated showers. Partly cloudy, with a low around 79. East wind around 14 mph. Chance of precipitation is 20%.

    Low: 79 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 88. East wind 14 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    High: 88 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 79. East wind 11 to 13 mph.

    Low: 79 °F

    Partly Cloudy

  • Thursday

    Thursday: Scattered showers, mainly before noon. Widespread haze after noon. Mostly sunny, with a high near 88. East wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 88 °F

    Scattered
    Showers then
    Haze

  • Thursday Night

    Thursday Night: Widespread haze. Clear, with a low around 79. East wind 10 to 13 mph.

    Low: 79 °F

    Haze

Detailed Forecast

Overnight
Scattered showers. Partly cloudy, with a low around 77. East southeast wind around 9 mph. Chance of precipitation is 30%.
Monday
Scattered showers. Partly sunny, with a high near 88. East southeast wind 13 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New precipitation amounts between a half and three quarters of an inch possible.
Monday Night
Isolated showers after midnight. Mostly clear, with a low around 78. East southeast wind 11 to 13 mph. Chance of precipitation is 20%.
Tuesday
Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 89. East wind 13 to 15 mph. Chance of precipitation is 40%.
Tuesday Night
Isolated showers. Partly cloudy, with a low around 79. East wind around 14 mph. Chance of precipitation is 20%.
Wednesday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 88. East wind 14 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Wednesday Night
Partly cloudy, with a low around 79. East wind 11 to 13 mph.
Thursday
Scattered showers, mainly before noon. Widespread haze after noon. Mostly sunny, with a high near 88. East wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Thursday Night
Widespread haze. Clear, with a low around 79. East wind 10 to 13 mph.
Friday
Widespread haze. Mostly sunny, with a high near 88.
Friday Night
Widespread haze. Clear, with a low around 77.
Saturday
Mostly sunny, with a high near 89.
Saturday Night
Clear, with a low around 78.
Sunday
Mostly sunny, with a high near 89.
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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:
3:36 am AST Jul 14, 2025
Forecast Valid:
5am AST Jul 14, 2025-6pm AST Jul 20, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation