Weslaco Weather Forecast

    • 78
    • 98

    Chance Thunderstorms

    • 79
    • 99

    Slight Chance Thunderstorms

    • 79
    • 100

    Hot

    • 80
    • 99

    Hot

    • 80
    • 99

    Hot

    • 80
    • 99

    Hot

Today 9 Sep Southern Hidalgo

Sunny, hot with Highs around 100. Southeast Winds 5 to 10 Mph. Gusts up to 20 Mph in the afternoon. Heat index Values up to 112.

Tonight 9 Sep Southern Hidalgo

Mostly clear. Near steady temperature in the lower 80s. Southeast Winds around 5 Mph.

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  • 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 °F

  • Highest 2 September, 2026

    106.6 °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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