Arroyo Weather Forecast

    • 79
    • 87

    Rain Showers

    • 79
    • 87

    Rain Showers

    • 78
    • 87

    Rain Showers

    • 77
    • 87

    Rain Showers

    • 78
    • 86

    Rain Showers

    • 78
    • 86

    Rain Showers

Today 28 Oct Southeast

Mostly cloudy with numerous Showers with isolated Thunderstorms. Highs around 90. Temperature falling in the afternoon. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

Tonight 28 Oct Southeast

Mostly cloudy with scattered Showers with isolated Thunderstorms. Lows around 82. Southeast Winds 5 to 10 Mph. Chance of rain 50 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 16 October, 2025

    75 °F

  • Average October

    82.9 °F

  • Highest 1 October, 2025

    93 °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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