San Jose Weather Forecast

    • 83
    • 85

    Rain Showers

    • 83
    • 85

    Rain Showers

    • 83
    • 85

    Rain Showers

    • 83
    • 85

    Rain Showers

    • 83
    • 85

    Rain Showers

    • 83
    • 85

    Rain Showers

    • 83
    • 85

    Rain Showers

Today 19 Sep Mayaguez and Vicinity

Partly cloudy in the Morning, then mostly cloudy with scattered Showers in the afternoon. Highs around 92. Chance of rain 50 percent.

Tonight 19 Sep Mayaguez and Vicinity

Mostly cloudy with numerous Showers with isolated Thunderstorms this Evening, then partly cloudy 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

San Jose Temperature Statistics

September Temperature

San Juan Fernando Luis Ribas Dominicci (72.7 miles)

  • Lowest 1 September, 2026

    77 °F

  • Average September

    85.6 °F

  • Highest 17 September, 2026

    91.4 °F

Climate (2021–2026)

San Juan Fernando Luis Ribas Dominicci (72.7 miles)

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  • Average Low 2021–2026

    77.8 °F

  • Average 2021–2026

    82.6 °F

  • Average High 2021–2026

    85.4 °F
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