Arroyo Weather Forecast

    • 78
    • 86

    Rain Showers

    • 79
    • 88

    Rain Showers

    • 79
    • 89

    Rain Showers

    • 78
    • 89

    Rain Showers

    • 77
    • 89

    Rain Showers

    • 78
    • 89

    Rain Showers

Today 24 Sep Southeast

Mostly cloudy with numerous Showers with isolated Thunderstorms. Highs around 89. Temperature falling this afternoon. Southeast Winds 5 to 10 Mph. Chance of rain 60 percent.

Tonight 24 Sep Southeast

Partly cloudy. Scattered Showers, mainly in the evening. Lows around 82. East Winds 5 to 10 Mph. Chance of rain 40 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Arroyo Temperature Statistics

September Temperature

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

  • Lowest 1 September, 2026

    75.7 °F

  • Average September

    84.8 °F

  • Highest 17 September, 2026

    93.7 °F

Climate (2021–2026)

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

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    77 °F

  • Average 2021–2026

    82.2 °F

  • Average High 2021–2026

    87.8 °F
Get WillyWeather+ to remove ads