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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.

Partly Cloudy

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 3:56 am AST
Extended Forecast for

Sabana Seca 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 78. Light south southeast wind. Chance of precipitation is 40%.

    Low: 78 °F

    Scattered
    Showers

  • Monday

    Monday: Scattered showers before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then scattered showers after 3pm. Partly sunny, with a high near 92. Heat index values as high as 107. East wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 92 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Scattered showers, mainly after 3am. Partly cloudy, with a low around 78. Southeast wind 5 to 8 mph. Chance of precipitation is 40%.

    Low: 78 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers, mainly after noon. Mostly sunny, with a high near 92. Heat index values as high as 109. East wind 7 to 15 mph. Chance of precipitation is 30%.

    High: 92 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers, mainly before midnight. Partly cloudy, with a low around 79. East southeast wind 6 to 8 mph. Chance of precipitation is 30%.

    Low: 79 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers, mainly after noon. Mostly sunny, with a high near 89. East wind 7 to 14 mph. Chance of precipitation is 40%.

    High: 89 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers, mainly before midnight. Partly cloudy, with a low around 78. Southeast wind 6 to 8 mph. Chance of precipitation is 30%.

    Low: 78 °F

    Scattered
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Scattered showers. Partly sunny, with a high near 90. East wind 7 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    High: 90 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Scattered showers. Partly cloudy, with a low around 78. East southeast wind 5 to 8 mph. Chance of precipitation is 30%.

    Low: 78 °F

    Scattered
    Showers

Detailed Forecast

Overnight
Scattered showers. Mostly cloudy, with a low around 78. Light south southeast wind. Chance of precipitation is 40%.
Monday
Scattered showers before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then scattered showers after 3pm. Partly sunny, with a high near 92. Heat index values as high as 107. East wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Scattered showers, mainly after 3am. Partly cloudy, with a low around 78. Southeast wind 5 to 8 mph. Chance of precipitation is 40%.
Tuesday
Scattered showers, mainly after noon. Mostly sunny, with a high near 92. Heat index values as high as 109. East wind 7 to 15 mph. Chance of precipitation is 30%.
Tuesday Night
Scattered showers, mainly before midnight. Partly cloudy, with a low around 79. East southeast wind 6 to 8 mph. Chance of precipitation is 30%.
Wednesday
Scattered showers, mainly after noon. Mostly sunny, with a high near 89. East wind 7 to 14 mph. Chance of precipitation is 40%.
Wednesday Night
Scattered showers, mainly before midnight. Partly cloudy, with a low around 78. Southeast wind 6 to 8 mph. Chance of precipitation is 30%.
Thursday
Scattered showers. Partly sunny, with a high near 90. East wind 7 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Thursday Night
Scattered showers. Partly cloudy, with a low around 78. East southeast wind 5 to 8 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 91.
Friday Night
Partly cloudy, with a low around 77.
Saturday
Mostly sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 78.
Sunday
Mostly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sabana Seca PR
 18.44°N 66.19°W (Elev. 16 ft)
Last Update:
4:25 am AST Oct 5, 2026
Forecast Valid:
4am AST Oct 5, 2026-6pm AST Oct 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation