City of Harlingen Reservoir Weather Forecast

    • 65
    • 86

    Increasing Clouds

    • 68
    • 86

    Mostly Sunny

    • 65
    • 87

    Partly Sunny

    • 54
    • 84

    Mostly Cloudy

    • 47
    • 64

    Cloudy

    • 49
    • 65

    Mostly Cloudy

Today 6 Jan Inland Cameron

Mostly sunny. Highs in the mid 80s. South Winds 10 to 15 Mph.

Tonight 6 Jan Inland Cameron

Partly cloudy. Lows in the mid 60s. South Winds 5 to 10 Mph.

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City of Harlingen Reservoir Temperature Statistics

January Temperature

Harlingen, Rio Grande Valley International Airport (5.6 miles)

  • Lowest 1 January, 2026

    48.9 °F

  • Average January

    67.9 °F

  • Highest 3 January, 2026

    90 °F

Climate (2021–Present)

Harlingen, Rio Grande Valley International Airport (5.6 miles)

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  • Average Low 2021–2026

    65.6 °F

  • Average 2021–2026

    75.4 °F

  • Average High 2021–2026

    86.2 °F
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