Arroyo Weather Forecast

    • 78
    • 89

    Rain Showers

    • 77
    • 89

    Rain Showers

    • 78
    • 86

    Rain Showers

    • 77
    • 88

    Rain Showers

    • 76
    • 88

    Rain Showers

    • 75
    • 87

    Rain Showers

Today 24 Oct Southeast

Mostly cloudy early this Morning, then becoming variably cloudy. Scattered Showers. Highs around 93. Temperature falling this afternoon. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 24 Oct Southeast

Variably cloudy with scattered Showers. Isolated Thunderstorms after midnight. Lows around 82. East Winds 5 to 10 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Arroyo Temperature Statistics

October Temperature

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

  • Lowest 4 October, 2026

    76.6 °F

  • Average October

    84 °F

  • Highest 21 October, 2026

    93.9 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    77 °F

  • Average 2021–2026

    82.2 °F

  • Average High 2021–2026

    87.9 °F
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