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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

79°F

26°C

Humidity 84%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 5 Oct 4:56 am AST
Extended Forecast for

Juncos PR

Heat Advisory October 5, 10:00am until October 5, 03:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Scattered showers. Mostly cloudy, with a low around 74. Calm wind. Chance of precipitation is 50%.

    Low: 74 °F

    Scattered
    Showers

  • Monday

    Monday: Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 90. East southeast wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    High: 90 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers before 9pm, then scattered showers and thunderstorms between 9pm and midnight, then scattered showers after midnight. Mostly cloudy, with a low around 73. East southeast wind 3 to 6 mph. Chance of precipitation is 50%.

    Low: 73 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers, mainly after 9am. Partly sunny, with a high near 92. East southeast wind 7 to 10 mph. Chance of precipitation is 40%.

    High: 92 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers. Partly cloudy, with a low around 74. East wind around 5 mph. Chance of precipitation is 30%.

    Low: 74 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers and thunderstorms. Mostly cloudy, with a high near 88. Southeast wind 8 to 10 mph. Chance of precipitation is 50%.

    High: 88 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers, mainly before midnight. Partly cloudy, with a low around 74. Southeast wind around 6 mph. Chance of precipitation is 40%.

    Low: 74 °F

    Scattered
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Scattered showers. Mostly cloudy, with a high near 91. East southeast wind 8 to 11 mph. Chance of precipitation is 50%.

    High: 91 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Scattered showers. Mostly cloudy, with a low around 74. East wind around 6 mph. Chance of precipitation is 40%.

    Low: 74 °F

    Scattered
    Showers

Detailed Forecast

Overnight
Scattered showers. Mostly cloudy, with a low around 74. Calm wind. Chance of precipitation is 50%.
Monday
Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 90. East southeast wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Scattered showers before 9pm, then scattered showers and thunderstorms between 9pm and midnight, then scattered showers after midnight. Mostly cloudy, with a low around 73. East southeast wind 3 to 6 mph. Chance of precipitation is 50%.
Tuesday
Scattered showers, mainly after 9am. Partly sunny, with a high near 92. East southeast wind 7 to 10 mph. Chance of precipitation is 40%.
Tuesday Night
Scattered showers. Partly cloudy, with a low around 74. East wind around 5 mph. Chance of precipitation is 30%.
Wednesday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 88. Southeast wind 8 to 10 mph. Chance of precipitation is 50%.
Wednesday Night
Scattered showers, mainly before midnight. Partly cloudy, with a low around 74. Southeast wind around 6 mph. Chance of precipitation is 40%.
Thursday
Scattered showers. Mostly cloudy, with a high near 91. East southeast wind 8 to 11 mph. Chance of precipitation is 50%.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 74. East wind around 6 mph. Chance of precipitation is 40%.
Friday
Scattered showers, mainly after noon. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 73.
Saturday
Scattered showers. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 74.
Sunday
Mostly sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Juncos PR
 18.22°N 65.91°W (Elev. 266 ft)
Last Update:
4:25 am AST Oct 5, 2026
Forecast Valid:
5am AST Oct 5, 2026-6pm AST Oct 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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