Cupey Weather Forecast

    • 74
    • 84

    Rain Showers

    • 72
    • 85

    Rain Showers

    • 70
    • 81

    Rain Showers

    • 70
    • 77

    Rain Showers

    • 70
    • 79

    Rain Showers

    • 69
    • 81

    Rain Showers

Today 31 Jan San Juan and Vicinity

Variably cloudy this Morning, then becoming mostly cloudy. Isolated Thunderstorms. Scattered Showers this Morning, then numerous Showers this afternoon. Highs around 87. Southeast Winds 10 to 15 Mph. Chance of rain 70 percent.

Tonight 31 Jan San Juan and Vicinity

Cloudy with isolated Thunderstorms. Showers. Lows around 80. Southeast Winds 5 to 10 Mph. Chance of rain 80 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cupey Temperature Statistics

January Temperature

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

  • Lowest 28 January, 2026

    70 °F

  • Average January

    79.2 °F

  • Highest 4 January, 2026

    88.6 °F

Climate (2021–Present)

San Juan, Luis Munoz Marin International Airport (7.5 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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