City of Harlingen Reservoir Weather Forecast

    • 65
    • 88

    Becoming Sunny

    • 64
    • 91

    Mostly Sunny

    • 63
    • 84

    Chance Rain Showers

    • 65
    • 88

    Partly Sunny

    • 66
    • 88

    Mostly Cloudy

    • 68
    • 89

    Partly Sunny

Today 26 Mar Inland Cameron

Sunny. Near steady temperature in the mid 80s. Southeast Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 26 Mar Inland Cameron

Mostly clear. Lows in the mid 60s. Southeast Winds 15 to 20 Mph. Gusts up to 30 Mph.

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City of Harlingen Reservoir Temperature Statistics

March Temperature

Harlingen, Rio Grande Valley International Airport (5.6 miles)

  • Lowest 17 March, 2026

    43.6 °F

  • Average March

    74.1 °F

  • Highest 11 March, 2026

    98.7 °F

Climate (2021–Present)

Harlingen, Rio Grande Valley International Airport (5.6 miles)

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  • Average Low 2021–2026

    65.7 °F

  • Average 2021–2026

    75.6 °F

  • Average High 2021–2026

    86.5 °F
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