Relampago Weather Forecast

    • 68
    • 86

    Increasing Clouds

    • 68
    • 85

    Slight Chance Thunderstorms

    • 65
    • 84

    Partly Sunny

    • 65
    • 84

    Partly Sunny

    • 65
    • 83

    Partly Sunny

    • 65
    • 85

    Mostly Sunny

Today 21 Dec Southern Hidalgo

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

Tonight 21 Dec Southern Hidalgo

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 60s. Southeast Winds 5 to 10 Mph.

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Relampago Temperature Statistics

December Temperature

Harlingen, Rio Grande Valley International Airport (18 miles)

  • Lowest 9 December, 2025

    43 °F

  • Average December

    62.6 °F

  • Highest 7 December, 2025

    86 °F

Climate (2020–Present)

Harlingen, Rio Grande Valley International Airport (18 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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