Weslaco Weather Forecast

    • 77
    • 99

    Hot

    • 78
    • 99

    Hot

    • 77
    • 95

    Chance Thunderstorms

    • 75
    • 95

    Chance Thunderstorms

    • 76
    • 96

    Mostly Sunny

    • 77
    • 98

    Hot

Today 15 Sep Southern Hidalgo

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

Tonight 15 Sep Southern Hidalgo

Mostly clear. Lows in the upper 70s. Southeast Winds 10 to 15 Mph. Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Weslaco Temperature Statistics

September Temperature

McAllen, Miller International Airport (15.5 miles)

  • Lowest 5 September, 2026

    75.7 °F

  • Average September

    93.4 °F

  • Highest 10 September, 2026

    107.7 °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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