San Germán Weather Forecast

    • 75
    • 91

    Rain Showers

    • 74
    • 91

    Rain Showers

    • 73
    • 90

    Rain Showers

    • 74
    • 90

    Rain Showers

    • 73
    • 91

    Rain Showers

    • 74
    • 91

    Rain Showers

Today 27 Sep Mayaguez and Vicinity

Partly cloudy this Morning, then mostly cloudy with scattered Showers with isolated Thunderstorms this afternoon. Highs around 91. East Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 27 Sep Mayaguez and Vicinity

Partly cloudy. Scattered Showers in the evening. Lows around 82. East Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Germán Temperature Statistics

September Temperature

San Juan Fernando Luis Ribas Dominicci (66.5 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 (66.5 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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