Rio Hondo Weather Forecast

    • 59
    • 84

    Becoming Sunny

    • 59
    • 76

    Mostly Sunny

    • 65
    • 84

    Mostly Sunny

    • 65
    • 85

    Mostly Sunny

    • 65
    • 83

    Mostly Sunny

    • 64
    • 83

    Mostly Sunny

Today 18 Dec Inland Cameron

Areas of fog in the morning. Sunny. Highs in the mid 80s. Southwest Winds 5 to 10 Mph.

Tonight 18 Dec Inland Cameron

Mostly clear in the Evening, then becoming partly cloudy. Patchy dense fog after midnight. Lows around 60. Northeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rio Hondo Temperature Statistics

December Temperature

Harlingen, Rio Grande Valley International Airport (4.3 miles)

  • Lowest 9 December, 2025

    43 °F

  • Average December

    61.6 °F

  • Highest 7 December, 2025

    86 °F

Climate (2020–Present)

Harlingen, Rio Grande Valley International Airport (4.3 miles)

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  • Average Low 2020–2025

    65.5 °F

  • Average 2020–2025

    75.4 °F

  • Average High 2020–2025

    86.2 °F
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