Rosario Weather Forecast

    • 75
    • 89

    Rain Showers

    • 75
    • 89

    Rain Showers

    • 74
    • 89

    Rain Showers

    • 75
    • 88

    Rain Showers

    • 75
    • 89

    Rain Showers

    • 74
    • 89

    Rain Showers

Today 17 Sep Mayaguez and Vicinity

Partly cloudy with isolated Showers in the Morning, then mostly cloudy with Showers and scattered Thunderstorms in the afternoon. Highs around 93. Temperature falling in the afternoon. East Winds 5 to 10 Mph. Chance of rain 80 percent.

Tonight 17 Sep Mayaguez and Vicinity

Variably cloudy with scattered Showers with isolated Thunderstorms in the Evening, then clear with isolated Showers after midnight. Lows around 83. East Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rosario Temperature Statistics

September Temperature

San Juan Fernando Luis Ribas Dominicci (67.1 miles)

  • Lowest 7 September, 2025

    78.8 °F

  • Average September

    85.1 °F

  • Highest 3 September, 2025

    89.6 °F

Climate (2020–Present)

San Juan Fernando Luis Ribas Dominicci (67.1 miles)

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  • Average Low 2020–2025

    77.7 °F

  • Average 2020–2025

    82.4 °F

  • Average High 2020–2025

    85.1 °F
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