Valley International Airport Weather Forecast

    • 80
    • 101

    Hot

    • 80
    • 101

    Hot

    • 78
    • 102

    Hot

    • 78
    • 103

    Hot

    • 78
    • 102

    Hot

    • 78
    • 101

    Hot

Today 19 Aug Inland Cameron

Mostly sunny. Highs in the upper 90s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Heat index Values up to 110.

Tonight 19 Aug Inland Cameron

Partly cloudy. Humid with Lows around 80. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Heat index Values up to 106 early in the evening.

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Valley International Airport Temperature Statistics

August Temperature

Harlingen, Rio Grande Valley International Airport (0.6 miles)

  • Lowest 3 August, 2026

    73.7 °F

  • Average August

    89.3 °F

  • Highest 1 August, 2026

    102.7 °F

Climate (2021–2026)

Harlingen, Rio Grande Valley International Airport (0.6 miles)

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  • Average Low 2021–2026

    65.8 °F

  • Average 2021–2026

    76 °F

  • Average High 2021–2026

    86.8 °F
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