San Juan Weather Forecast

    • 79
    • 88

    Rain Showers

    • 80
    • 88

    Rain Showers

    • 79
    • 88

    Rain Showers

    • 80
    • 88

    Rain Showers

    • 80
    • 88

    Rain Showers

    • 79
    • 86

    Rain Showers

Today 22 Oct San Juan and Vicinity

Partly cloudy with isolated Showers this Morning, then variably cloudy with scattered Showers with isolated Thunderstorms this afternoon. Highs around 92. Temperature falling this afternoon. Southeast Winds 10 to 15 Mph. Chance of rain 50 percent.

Tonight 22 Oct San Juan and Vicinity

Partly cloudy. Isolated Showers in the Evening, then scattered Showers after midnight. Lows around 82. Southeast Winds 5 to 10 Mph. Chance of rain 50 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 11 October, 2026

    77 °F

  • Average October

    85 °F

  • Highest 1 October, 2026

    89.6 °F

Climate (2021–2026)

San Juan Fernando Luis Ribas Dominicci (0.6 miles)

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  • Average Low 2021–2026

    77.8 °F

  • Average 2021–2026

    82.7 °F

  • Average High 2021–2026

    85.4 °F
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