Guaynabo Weather Forecast

    • 77
    • 89

    Rain Showers

    • 78
    • 89

    Partly Sunny

    • 77
    • 90

    Partly Sunny

    • 77
    • 90

    Partly Sunny

    • 78
    • 88

    Rain Showers

    • 79
    • 91

    Rain Showers

    • 79
    • 91

    Rain Showers

Today 1 Aug San Juan and Vicinity

Partly cloudy with scattered Showers this Morning, then cloudy with numerous Showers with isolated Thunderstorms this afternoon. Highs around 92. Temperature falling this afternoon. East Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 70 percent.

Tonight 1 Aug San Juan and Vicinity

Variably cloudy until early Morning, then clearing. Scattered Showers. Lows around 82. East Winds 10 to 15 Mph. Chance of rain 40 percent.

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Guaynabo Temperature Statistics

August Temperature

San Juan Fernando Luis Ribas Dominicci (6.8 miles)

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Climate (2021–2026)

San Juan Fernando Luis Ribas Dominicci (6.8 miles)

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  • Average Low 2021–2026

    77.7 °F

  • Average 2021–2026

    82.6 °F

  • Average High 2021–2026

    85.3 °F
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