Arroyo Weather Forecast

    • 70
    • 83

    Becoming Sunny

    • 68
    • 83

    Rain Showers

    • 69
    • 83

    Rain Showers

    • 72
    • 83

    Rain Showers

    • 73
    • 83

    Rain Showers

    • 72
    • 83

    Rain Showers

Today 27 Dec Southeast

Partly cloudy with isolated Showers. Highs around 86. Temperature falling in the afternoon. East Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 27 Dec Southeast

Clear. Lows around 78. Northeast Winds 5 to 10 Mph.

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Arroyo Temperature Statistics

December Temperature

San Juan, Luis Munoz Marin International Airport (33.6 miles)

  • Lowest 10 December, 2025

    73 °F

  • Average December

    79.1 °F

  • Highest 8 December, 2025

    88 °F

Climate (2020–Present)

San Juan, Luis Munoz Marin International Airport (33.6 miles)

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  • Average Low 2020–2025

    76.9 °F

  • Average 2020–2025

    81.9 °F

  • Average High 2020–2025

    87.5 °F
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