Cayey Weather Forecast

    • 72
    • 85

    Rain Showers

    • 72
    • 86

    Rain Showers

    • 72
    • 85

    Rain Showers

    • 73
    • 84

    Rain Showers

    • 71
    • 84

    Rain Showers

    • 71
    • 85

    Rain Showers

Today 4 Sep Eastern Interior

Partly cloudy with isolated Showers this Morning, then variably cloudy with scattered Showers this afternoon. Highs around 93. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 4 Sep Eastern Interior

Variably cloudy with scattered Showers. Lows around 78. East Winds 5 to 10 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cayey Temperature Statistics

September Temperature

San Juan Fernando Luis Ribas Dominicci (24.2 miles)

  • Lowest 1 September, 2026

    77 °F

  • Average September

    84.6 °F

  • Highest 1 September, 2026

    87.8 °F

Climate (2021–2026)

San Juan Fernando Luis Ribas Dominicci (24.2 miles)

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  • Average Low 2021–2026

    77.7 °F

  • Average 2021–2026

    82.6 °F

  • Average High 2021–2026

    85.4 °F
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