7-Day Forecast 17.97°N 66.92°W (Text-Only)
NWS Forecast for: Guanica PR
Issued by: National Weather Service San Juan, PR
Last Update: 3:33 am AST May 8, 2026
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  • Today

    Today: Scattered showers after 3pm.  Mostly sunny, with a high near 92. East southeast wind 5 to 10 mph increasing to 12 to 17 mph in the morning. Winds could gust as high as 29 mph.  Chance of precipitation is 40%.

    High: 92 °F

    Sunny then
    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers, mainly before 9pm.  Partly cloudy, with a low around 72. East wind around 6 mph.  Chance of precipitation is 40%.

    Low: 72 °F

    Scattered
    Showers then
    Mostly Clear

  • Saturday

    Saturday: Isolated showers after 3pm.  Sunny, with a high near 92. Heat index values as high as 102. East southeast wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 33 mph.  Chance of precipitation is 10%.

    High: 92 °F

    Sunny then
    Isolated
    Showers

  • Saturday
    Night

    Saturday Night: Clear, with a low around 72. East northeast wind 8 to 13 mph, with gusts as high as 22 mph.

    Low: 72 °F

    Clear


  • Sunday

    Sunday: Sunny, with a high near 92. East southeast wind 10 to 20 mph, with gusts as high as 33 mph.

    High: 92 °F

    Sunny


  • Sunday
    Night

    Sunday Night: Clear, with a low around 73. East wind 7 to 14 mph, with gusts as high as 23 mph.

    Low: 73 °F

    Clear


  • Monday

    Monday: Mostly sunny, with a high near 92. East southeast wind 10 to 18 mph, with gusts as high as 30 mph.

    High: 92 °F

    Mostly Sunny


  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 73. East wind 9 to 13 mph, with gusts as high as 22 mph.

    Low: 73 °F

    Partly Cloudy


  • Tuesday

    Tuesday: Sunny, with a high near 92. East southeast wind 15 to 17 mph, with gusts as high as 29 mph.

    High: 92 °F

    Sunny


  • Today: Scattered showers after 3pm. Mostly sunny, with a high near 92. East southeast wind 5 to 10 mph increasing to 12 to 17 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 40%.

    Tonight: Scattered showers, mainly before 9pm. Partly cloudy, with a low around 72. East wind around 6 mph. Chance of precipitation is 40%.

    Saturday: Isolated showers after 3pm. Sunny, with a high near 92. Heat index values as high as 102. East southeast wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 10%.

    Saturday Night: Clear, with a low around 72. East northeast wind 8 to 13 mph, with gusts as high as 22 mph.

    Sunday: Sunny, with a high near 92. East southeast wind 10 to 20 mph, with gusts as high as 33 mph.

    Sunday Night: Clear, with a low around 73. East wind 7 to 14 mph, with gusts as high as 23 mph.

    Monday: Mostly sunny, with a high near 92. East southeast wind 10 to 18 mph, with gusts as high as 30 mph.

    Monday Night: Partly cloudy, with a low around 73. East wind 9 to 13 mph, with gusts as high as 22 mph.

    Tuesday: Sunny, with a high near 92. East southeast wind 15 to 17 mph, with gusts as high as 29 mph.

    Tuesday Night: Mostly clear, with a low around 73.

    Wednesday: Sunny, with a high near 92.

    Wednesday Night: Mostly clear, with a low around 74.

    Thursday: Sunny, with a high near 92.



    Guanica PR
     17.97°N 66.92°W (Elev. 16 ft)

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