Loiza Weather Forecast

    • 79
    • 91

    Rain Showers

    • 79
    • 90

    Rain Showers

    • 78
    • 90

    Rain Showers

    • 79
    • 91

    Rain Showers

    • 80
    • 91

    Rain Showers

    • 79
    • 91

    Rain Showers

Today 21 Sep Northeast

Variably Cloudy, then becoming partly cloudy late this Morning, then becoming variably cloudy. Scattered Showers. Isolated Thunderstorms this afternoon. Highs around 92. Temperature falling this afternoon. Southeast Winds 10 to 15 Mph. Chance of rain 50 percent.

Tonight 21 Sep Northeast

Variably cloudy. Scattered Showers with isolated Thunderstorms in the Evening, then numerous Showers after midnight. Lows around 83. Southeast Winds 5 to 10 Mph. Chance of rain 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Loiza Temperature Statistics

September Temperature

San Juan, Luis Munoz Marin International Airport (7.5 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 (7.5 miles)

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  • Average Low 2021–2026

    77 °F

  • Average 2021–2026

    82.2 °F

  • Average High 2021–2026

    87.8 °F
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