San Juan Weather Forecast

    • 76
    • 83

    Rain Showers

    • 76
    • 84

    Rain Showers

    • 76
    • 85

    Rain Showers

    • 75
    • 85

    Rain Showers

    • 75
    • 86

    Rain Showers

    • 75
    • 85

    Rain Showers

Today 18 Jan San Juan and Vicinity

Cloudy with numerous Showers in the Morning, then variably cloudy with scattered Showers in the afternoon. Highs around 86. Temperature falling in the afternoon. East Winds 15 to 20 Mph. Chance of rain 70 percent.

Tonight 18 Jan San Juan and Vicinity

Variably cloudy with scattered Showers. Lows around 77. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Juan Temperature Statistics

January Temperature

San Juan Fernando Luis Ribas Dominicci (0.6 miles)

  • Lowest 12 January, 2025

    69.8 °F

  • Average January

    79.2 °F

  • Highest 3 January, 2025

    84.2 °F

Climate (2020–Present)

San Juan Fernando Luis Ribas Dominicci (0.6 miles)

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  • Average Low 2020–2025

    77.7 °F

  • Average 2020–2025

    82.5 °F

  • Average High 2020–2025

    85.2 °F
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