Weslaco Weather Forecast

    • 80
    • 101

    Hot

    • 79
    • 100

    Hot

    • 79
    • 100

    Hot

    • 79
    • 99

    Slight Chance Thunderstorms

    • 78
    • 99

    Slight Chance Thunderstorms

    • 78
    • 98

    Slight Chance Thunderstorms

Today 3 Sep Southern Hidalgo

Sunny, hot with Highs around 103. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Heat index Values up to 114.

Tonight 3 Sep Southern Hidalgo

Mostly clear in the Evening, then becoming partly cloudy. Humid with Lows around 80. Southeast Winds 10 to 15 Mph with Gusts up to 30 Mph. Heat index Values up to 111 early in the evening.

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  • Temperature Real-Time

Weslaco Temperature Statistics

September Temperature

McAllen, Miller International Airport (15.5 miles)

  • Lowest 1 September, 2026

    80.1 °F

  • Average September

    90.2 °F

  • Highest 1 September, 2026

    102.9 °F

Climate (2021–2026)

McAllen, Miller International Airport (15.5 miles)

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  • Average Low 2021–2026

    68.3 °F

  • Average 2021–2026

    78.1 °F

  • Average High 2021–2026

    88.8 °F
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