Rosario Weather Forecast

    • 72
    • 87

    Rain Showers

    • 70
    • 86

    Rain Showers

    • 70
    • 86

    Rain Showers

    • 71
    • 86

    Rain Showers

    • 70
    • 86

    Rain Showers

    • 71
    • 85

    Rain Showers

    • 70
    • 84

    Rain Showers

Today 18 Dec Mayaguez and Vicinity

Sunny late this Morning, then variably cloudy with scattered Showers this afternoon. Highs around 91. Temperature falling this afternoon. East Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

Tonight 18 Dec Mayaguez and Vicinity

Partly cloudy with isolated Showers this Evening, then clear after midnight. Lows around 82. East Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rosario Temperature Statistics

December Temperature

San Juan Fernando Luis Ribas Dominicci (67.1 miles)

  • Lowest 10 December, 2025

    73.4 °F

  • Average December

    81.8 °F

  • Highest 8 December, 2025

    87.8 °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

    82.5 °F

  • Average High 2020–2025

    85.2 °F
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