Rio Grande Weather Forecast

    • 73
    • 85

    Rain Showers

    • 73
    • 85

    Rain Showers

    • 73
    • 86

    Rain Showers

    • 72
    • 85

    Rain Showers

    • 73
    • 85

    Rain Showers

    • 72
    • 85

    Rain Showers

Today 17 Dec Northeast

Mostly cloudy with numerous Showers in the Morning, then variably cloudy with scattered Showers in the afternoon. Highs around 86. Temperature falling in the afternoon. East Winds 10 to 15 Mph. Chance of rain 60 percent.

Tonight 17 Dec Northeast

Clear. Scattered Showers, mainly in the evening. Lows around 82. East Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rio Grande Temperature Statistics

December Temperature

San Juan, Luis Munoz Marin International Airport (11.8 miles)

  • Lowest 10 December, 2025

    73 °F

  • Average December

    79.6 °F

  • Highest 8 December, 2025

    88 °F

Climate (2020–Present)

San Juan, Luis Munoz Marin International Airport (11.8 miles)

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  • Average Low 2020–2025

    76.9 °F

  • Average 2020–2025

    82 °F

  • Average High 2020–2025

    87.5 °F
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