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Hazardous Weather Conditions

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

A Few Clouds

80°F

27°C

Humidity 82%
Wind Speed Calm
Barometer 29.94 in (1013.8 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 21 Sep 3:56 am AST
Extended Forecast for

2 Miles NNE Catano PR

Heat Advisory September 21, 10:00am until September 21, 03:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Scattered showers. Partly cloudy, with a low around 81. South southeast wind around 5 mph. Chance of precipitation is 30%.

    Low: 81 °F

    Scattered
    Showers

  • Monday

    Monday: Scattered showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 86. East wind 6 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    High: 86 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers and thunderstorms. Partly cloudy, with a low around 81. Southeast wind 5 to 8 mph. Chance of precipitation is 50%.

    Low: 81 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 85. East wind 6 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.

    High: 85 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers. Partly cloudy, with a low around 81. East southeast wind 7 to 10 mph. Chance of precipitation is 30%.

    Low: 81 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers. Mostly sunny, with a high near 85. East wind 8 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    High: 85 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 81. East southeast wind 6 to 10 mph.

    Low: 81 °F

    Partly Cloudy

  • Thursday

    Thursday: Scattered showers, mainly after noon. Mostly sunny, with a high near 86. East wind 8 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 86 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Thursday Night

    Thursday Night: Scattered showers. Partly cloudy, with a low around 81. Southeast wind 6 to 9 mph. Chance of precipitation is 30%.

    Low: 81 °F

    Scattered
    Showers

Detailed Forecast

Overnight
Scattered showers. Partly cloudy, with a low around 81. South southeast wind around 5 mph. Chance of precipitation is 30%.
Monday
Scattered showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 86. East wind 6 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Scattered showers and thunderstorms. Partly cloudy, with a low around 81. Southeast wind 5 to 8 mph. Chance of precipitation is 50%.
Tuesday
Scattered showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 85. East wind 6 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Tuesday Night
Scattered showers. Partly cloudy, with a low around 81. East southeast wind 7 to 10 mph. Chance of precipitation is 30%.
Wednesday
Scattered showers. Mostly sunny, with a high near 85. East wind 8 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 81. East southeast wind 6 to 10 mph.
Thursday
Scattered showers, mainly after noon. Mostly sunny, with a high near 86. East wind 8 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Thursday Night
Scattered showers. Partly cloudy, with a low around 81. Southeast wind 6 to 9 mph. Chance of precipitation is 30%.
Friday
Scattered showers. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 81.
Saturday
Sunny, with a high near 86.
Saturday Night
Clear, with a low around 81.
Sunday
Scattered showers. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Catano PR
 18.47°N 66.1°W (Elev. 0 ft)
Last Update:
3:32 am AST Sep 21, 2026
Forecast Valid:
4am AST Sep 21, 2026-6pm AST Sep 27, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation