Cupey Weather Forecast

    • 72
    • 84

    Rain Showers

    • 73
    • 83

    Rain Showers

    • 73
    • 83

    Rain Showers

    • 73
    • 83

    Sunny

    • 73
    • 84

    Mostly Sunny

    • 73
    • 83

    Rain Showers

Today 21 Jan San Juan and Vicinity

Variably Cloudy, then becoming partly cloudy late this Morning, then becoming variably cloudy. Scattered Showers. Highs around 87. Temperature falling this afternoon. East Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

Tonight 21 Jan San Juan and Vicinity

Partly cloudy with scattered Showers in the Evening, then variably cloudy with numerous Showers with isolated Thunderstorms after midnight. Lows around 80. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 60 percent.

Graph Plots Open in Graphs
  • Temperature Forecast NOAA

  • Temperature Real-Time

Cupey Temperature Statistics

January Temperature

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

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2021–2026

    76.9 °F
  • Average 2021–2026

    82 °F
  • Average High 2021–2026

    87.6 °F
Get WillyWeather+ to remove ads