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Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy

83°F

28°C

Humidity 82%
Wind Speed E 10 mph
Barometer 29.92 in (1012.9 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 12 Oct 6:56 pm AST
Extended Forecast for

Humacao PR

  • Tonight

    Tonight: Scattered showers. Partly cloudy, with a low around 76. East northeast wind 5 to 7 mph becoming north after midnight. Chance of precipitation is 30%.

    Low: 76 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Showers likely before noon, then scattered showers and thunderstorms between noon and 3pm, then scattered showers after 3pm. Partly sunny, with a high near 88. Heat index values as high as 102. East wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 88 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Scattered showers. Mostly cloudy, with a low around 76. East northeast wind 5 to 8 mph. Chance of precipitation is 50%.

    Low: 76 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers. Partly sunny, with a high near 89. East wind 7 to 11 mph. Chance of precipitation is 40%.

    High: 89 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Isolated showers. Partly cloudy, with a low around 77. Northeast wind around 6 mph. Chance of precipitation is 20%.

    Low: 77 °F

    Isolated
    Showers

  • Thursday

    Thursday: Scattered showers. Partly sunny, with a high near 88. East wind 8 to 10 mph. Chance of precipitation is 40%.

    High: 88 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Scattered showers. Partly cloudy, with a low around 76. Northeast wind around 7 mph. Chance of precipitation is 30%.

    Low: 76 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers. Partly sunny, with a high near 90. East wind 7 to 9 mph. Chance of precipitation is 40%.

    High: 90 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 76. East northeast wind around 7 mph.

    Low: 76 °F

    Partly Cloudy

Detailed Forecast

Tonight
Scattered showers. Partly cloudy, with a low around 76. East northeast wind 5 to 7 mph becoming north after midnight. Chance of precipitation is 30%.
Tuesday
Showers likely before noon, then scattered showers and thunderstorms between noon and 3pm, then scattered showers after 3pm. Partly sunny, with a high near 88. Heat index values as high as 102. East wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 76. East northeast wind 5 to 8 mph. Chance of precipitation is 50%.
Wednesday
Scattered showers. Partly sunny, with a high near 89. East wind 7 to 11 mph. Chance of precipitation is 40%.
Wednesday Night
Isolated showers. Partly cloudy, with a low around 77. Northeast wind around 6 mph. Chance of precipitation is 20%.
Thursday
Scattered showers. Partly sunny, with a high near 88. East wind 8 to 10 mph. Chance of precipitation is 40%.
Thursday Night
Scattered showers. Partly cloudy, with a low around 76. Northeast wind around 7 mph. Chance of precipitation is 30%.
Friday
Scattered showers. Partly sunny, with a high near 90. East wind 7 to 9 mph. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 76. East northeast wind around 7 mph.
Saturday
Scattered showers. Partly sunny, with a high near 90. Chance of precipitation is 50%.
Saturday Night
Mostly clear, with a low around 76.
Sunday
Showers likely. Mostly cloudy, with a high near 90. Chance of precipitation is 60%.
Sunday Night
Scattered showers. Mostly cloudy, with a low around 76. Chance of precipitation is 40%.
Monday
Scattered showers. Partly sunny, with a high near 90. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Humacao PR
 18.15°N 65.81°W (Elev. 164 ft)
Last Update:
1:35 pm AST Oct 12, 2026
Forecast Valid:
7pm AST Oct 12, 2026-6pm AST Oct 19, 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