Siesta Shores Weather Forecast

    • 79
    • 96

    Chance Thunderstorms

    • 77
    • 94

    Chance Thunderstorms

    • 78
    • 96

    Mostly Sunny

    • 80
    • 98

    Hot

    • 79
    • 98

    Hot

    • 79
    • 97

    Hot

Today 17 Sep Zapata

Mostly sunny. A slight chance of Showers and Thunderstorms in the afternoon. Hot with Highs around 100. East Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 107.

Tonight 17 Sep Zapata

Partly cloudy. Lows in the upper 70s. East Winds 5 to 10 Mph. Heat index Values up to 105 early in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Siesta Shores Temperature Statistics

September Temperature

Zapata, TX (7.5 miles)

  • Lowest 6 September, 2026

    75.7 °F

  • Average September

    90.6 °F

  • Highest 3 September, 2026

    109.2 °F

Climate (2021–2026)

Zapata, TX (7.5 miles)

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  • Average Low 2021–2026

    66.3 °F

  • Average 2021–2026

    77.3 °F

  • Average High 2021–2026

    89.2 °F
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