Guanica Weather Forecast

    • 75
    • 90

    Rain Showers

    • 75
    • 92

    Rain Showers

    • 75
    • 93

    Rain Showers

    • 76
    • 93

    Rain Showers

    • 75
    • 93

    Rain Showers

    • 75
    • 91

    Rain Showers

Today 30 Aug Southwest

Partly cloudy with scattered Showers this Morning, then cloudy with numerous Showers with isolated Thunderstorms this afternoon. Highs around 90. Northeast Winds 5 to 10 Mph, becoming south this afternoon. Chance of rain 70 percent.

Tonight 30 Aug Southwest

Cloudy with Showers with isolated Thunderstorms. Lows around 82. Southeast Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Guanica Temperature Statistics

August Temperature

San Juan Fernando Luis Ribas Dominicci (63.4 miles)

  • Lowest 23 August, 2026

    73.4 °F

  • Average August

    86.1 °F

  • Highest 13 August, 2026

    89.6 °F

Climate (2021–2026)

San Juan Fernando Luis Ribas Dominicci (63.4 miles)

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  • Average Low 2021–2026

    77.7 °F

  • Average 2021–2026

    82.6 °F

  • Average High 2021–2026

    85.4 °F
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