Rio Grande City Municipal Airport Weather Forecast

    • 50
    • 63

    Mostly Cloudy

    • 60
    • 71

    Chance Rain Showers

    • 60
    • 78

    Chance Rain Showers

    • 56
    • 85

    Mostly Sunny

    • 57
    • 77

    Mostly Sunny

    • 61
    • 86

    Mostly Sunny

    • 63
    • 86

    Mostly Sunny

Today 15 Dec Starr

Partly sunny and cooler. Near steady temperature around 60. Northeast Winds around 5 Mph.

Tonight 15 Dec Starr

Mostly cloudy. Lows in the upper 40s. Southeast Winds around 5 Mph in the Evening, becoming light and variable.

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Rio Grande City Municipal Airport Temperature Statistics

December Temperature

McAllen, Miller International Airport (40.4 miles)

  • Lowest 9 December, 2025

    48 °F

  • Average December

    65 °F

  • Highest 7 December, 2025

    91 °F

Climate (2020–Present)

McAllen, Miller International Airport (40.4 miles)

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  • Average Low 2020–2025

    67.7 °F

  • Average 2020–2025

    77.1 °F

  • Average High 2020–2025

    87.8 °F
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