Arroyo Weather Forecast

    • 75
    • 84

    Rain Showers

    • 76
    • 86

    Rain Showers

    • 75
    • 85

    Mostly Sunny

    • 73
    • 85

    Rain Showers

    • 74
    • 84

    Rain Showers

    • 75
    • 85

    Rain Showers

    • 74
    • 84

    Rain Showers

Today 12 Dec Southeast

Partly cloudy. Isolated Showers late this morning. Highs around 88. East Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 20 percent.

Tonight 12 Dec Southeast

Partly cloudy with isolated Showers in the Evening, then variably cloudy with numerous Showers after midnight. Lows around 82. East Winds 10 to 15 Mph. Chance of rain 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Arroyo Temperature Statistics

December Temperature

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

  • Lowest 10 December, 2025

    73 °F

  • Average December

    79.4 °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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