Guaynabo Weather Forecast

    • 74
    • 85

    Rain Showers

    • 75
    • 86

    Rain Showers

    • 75
    • 88

    Rain Showers

    • 75
    • 88

    Rain Showers

    • 75
    • 86

    Rain Showers

    • 75
    • 87

    Rain Showers

    • 75
    • 86

    Rain Showers

Today 1 May San Juan and Vicinity

Mostly cloudy with numerous Showers. Isolated Thunderstorms this afternoon. Highs around 87. East Winds 10 to 15 Mph. Chance of rain 70 percent.

Tonight 1 May San Juan and Vicinity

Partly Cloudy, then becoming mostly cloudy this late evening and early Morning, then becoming variably cloudy. Numerous Showers. Isolated Thunderstorms after midnight. Lows around 77. East Winds 5 to 10 Mph. Chance of rain 60 percent.

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Guaynabo Temperature Statistics

May Temperature

San Juan Fernando Luis Ribas Dominicci (6.8 miles)

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  • Average May

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Climate (2019–Present)

San Juan Fernando Luis Ribas Dominicci (6.8 miles)

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  • Average Low 2019–2024

    77.6 °F

  • Average 2019–2024

    82.4 °F

  • Average High 2019–2024

    85.1 °F
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