San Juan Weather Forecast

    • 78
    • 86

    Rain Showers

    • 78
    • 85

    Rain Showers

    • 78
    • 85

    Rain Showers

    • 78
    • 85

    Rain Showers

    • 79
    • 86

    Rain Showers

    • 79
    • 88

    Rain Showers

    • 80
    • 89

    Rain Showers

Today 23 Oct San Juan and Vicinity

Mostly cloudy. Scattered Showers late this Morning, then numerous Showers with isolated Thunderstorms this afternoon. Highs around 90. Temperature falling this afternoon. Southeast Winds 10 to 15 Mph. Chance of rain 70 percent.

Tonight 23 Oct San Juan and Vicinity

Mostly cloudy with isolated Thunderstorms. Numerous Showers, mainly in the evening. Lows around 82. Southeast Winds 5 to 10 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Juan Temperature Statistics

October Temperature

San Juan Fernando Luis Ribas Dominicci (0.6 miles)

  • Lowest 16 October, 2025

    75.2 °F

  • Average October

    85 °F

  • Highest 1 October, 2025

    93.2 °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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