St Just Weather Forecast

    • 77
    • 90

    Rain Showers

    • 77
    • 89

    Rain Showers

    • 77
    • 91

    Rain Showers

    • 77
    • 91

    Rain Showers

    • 76
    • 91

    Rain Showers

    • 77
    • 90

    Rain Showers

Today 6 Oct San Juan and Vicinity

Mostly cloudy with isolated Thunderstorms. Scattered Showers late this Morning, then numerous Showers this afternoon. Highs around 91. Temperature falling this afternoon. Northeast Winds 10 to 15 Mph. Chance of rain 70 percent.

Tonight 6 Oct San Juan and Vicinity

Partly cloudy with scattered Showers in the Evening, then cloudy with numerous Showers with isolated Thunderstorms after midnight. Lows around 83. East Winds 5 to 10 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St Just Temperature Statistics

October Temperature

San Juan, Luis Munoz Marin International Airport (5.6 miles)

  • Lowest 2 October, 2025

    78.1 °F
  • Average October

    83.7 °F
  • Highest 1 October, 2025

    93 °F

Climate (2020–Present)

San Juan, Luis Munoz Marin International Airport (5.6 miles)

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  • Average Low 2020–2025

    76.9 °F
  • Average 2020–2025

    81.9 °F
  • Average High 2020–2025

    87.5 °F
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