Weslaco Weather Forecast

    • 79
    • 99

    Hot

    • 78
    • 99

    Hot

    • 79
    • 99

    Hot

    • 79
    • 101

    Hot

    • 79
    • 102

    Hot

    • 80
    • 100

    Hot

Today 29 Jul Southern Hidalgo

Sunny, hot with Highs around 101. Southeast Winds 10 to 15 Mph with Gusts up to 30 Mph. Heat index Values up to 109.

Tonight 29 Jul Southern Hidalgo

Partly cloudy. Near steady temperature in the lower 80s. Southeast Winds 10 to 15 Mph with Gusts up to 30 Mph.

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Weslaco Temperature Statistics

July Temperature

McAllen, Miller International Airport (15.5 miles)

  • Lowest 9 July, 2026

    75.7 °F

  • Average July

    91 °F

  • Highest 22 July, 2026

    108.6 °F

Climate (2021–2026)

McAllen, Miller International Airport (15.5 miles)

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  • Average Low 2021–2026

    68.2 °F

  • Average 2021–2026

    77.9 °F

  • Average High 2021–2026

    88.6 °F
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