Las Casas Weather Forecast

    • 75
    • 84

    Rain Showers

    • 75
    • 84

    Rain Showers

    • 75
    • 85

    Rain Showers

    • 75
    • 85

    Rain Showers

    • 75
    • 86

    Rain Showers

    • 75
    • 86

    Mostly Sunny

Today 22 Jan San Juan and Vicinity

Variably cloudy late this Morning, then becoming mostly cloudy. Scattered Showers late this Morning, then numerous Showers with isolated Thunderstorms this afternoon. Highs around 86. Temperature falling this afternoon. East Winds 15 to 20 Mph. Chance of rain 70 percent.

Tonight 22 Jan San Juan and Vicinity

Variably cloudy with scattered Showers. Lows around 80. East Winds 10 to 15 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Las Casas Temperature Statistics

January Temperature

San Juan, Luis Munoz Marin International Airport (2.5 miles)

  • Lowest 7 January, 2026

    70 °F

  • Average January

    78.1 °F

  • Highest 4 January, 2026

    88 °F

Climate (2021–Present)

San Juan, Luis Munoz Marin International Airport (2.5 miles)

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  • Average Low 2021–2026

    76.9 °F

  • Average 2021–2026

    82 °F

  • Average High 2021–2026

    87.6 °F
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