Weslaco Weather Forecast

    • 80
    • 98

    Hot

    • 80
    • 99

    Hot

    • 79
    • 99

    Hot

    • 78
    • 98

    Slight Chance Thunderstorms

    • 78
    • 97

    Mostly Sunny

    • 79
    • 97

    Slight Chance Thunderstorms

Today 4 Aug Southern Hidalgo

Sunny, hot with Highs around 100. Southeast Winds 10 to 15 Mph with Gusts up to 30 Mph. Heat index Values up to 109.

Tonight 4 Aug Southern Hidalgo

Mostly clear. Near steady temperature in the lower 80s. Southeast Winds 5 to 10 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Weslaco Temperature Statistics

August Temperature

McAllen, Miller International Airport (15.5 miles)

  • Lowest 1 August, 2026

    82.9 °F

  • Average August

    92 °F

  • Highest 1 August, 2026

    105.1 °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

    78 °F

  • Average High 2021–2026

    88.6 °F
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