Guaynabo Weather Forecast

    • 74
    • 88

    Rain Showers

    • 75
    • 88

    Rain Showers

    • 74
    • 89

    Rain Showers

    • 74
    • 89

    Rain Showers

    • 74
    • 89

    Rain Showers

    • 73
    • 89

    Rain Showers

Today 1 May San Juan and Vicinity

Variably Cloudy, then becoming mostly cloudy early this Afternoon, then becoming variably cloudy. Scattered Showers. Isolated Thunderstorms this afternoon. Highs around 90. East Winds 10 to 15 Mph. Chance of rain 50 percent.

Tonight 1 May San Juan and Vicinity

Partly cloudy with isolated Showers. Lows around 80. East Winds 5 to 10 Mph. Chance of rain 20 percent.

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Guaynabo Temperature Statistics

May Temperature

San Juan Fernando Luis Ribas Dominicci (6.8 miles)

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Climate (2021–Present)

San Juan Fernando Luis Ribas Dominicci (6.8 miles)

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  • Average Low 2021–2026

    77.6 °F

  • Average 2021–2026

    82.5 °F

  • Average High 2021–2026

    85.3 °F
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