Weslaco Weather Forecast

    • 68
    • 85

    Becoming Sunny

    • 69
    • 86

    Partly Sunny

    • 69
    • 86

    Mostly Sunny

    • 56
    • 87

    Partly Sunny

    • 44
    • 71

    Chance Rain Showers

    • 42
    • 55

    Partly Sunny

    • 49
    • 66

    Mostly Sunny

Today 25 Dec Southern Hidalgo

Mostly sunny. Highs in the mid 80s. Southeast Winds 5 to 10 Mph.

Tonight 25 Dec Southern Hidalgo

Mostly clear in the Evening, then becoming mostly cloudy. Areas of fog after midnight. Lows in the upper 60s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Weslaco Temperature Statistics

December Temperature

McAllen, Miller International Airport (15.5 miles)

  • Lowest 9 December, 2025

    48 °F

  • Average December

    66.9 °F

  • Highest 7 December, 2025

    91 °F

Climate (2020–Present)

McAllen, Miller International Airport (15.5 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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