Stephen F.Austin State Park Weather Forecast

    • 74
    • 95

    Chance Thunderstorms

    • 70
    • 97

    Hot

    • 72
    • 97

    Hot

    • 74
    • 97

    Slight Chance Thunderstorms

    • 75
    • 96

    Slight Chance Thunderstorms

    • 75
    • 97

    Slight Chance Thunderstorms

Today 17 Sep Austin

Partly sunny in the Morning, then becoming mostly cloudy. A chance of Showers. A chance of Thunderstorms in the afternoon. Hot with Highs in the mid 90s. East Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 17 Sep Austin

Partly cloudy with a chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Lows in the mid 70s. Southeast Winds 5 to 10 Mph in the Evening, becoming light and variable. Chance of rain 40 percent.

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Stephen F.Austin State Park Temperature Statistics

September Temperature

Houston Executive Airport (12.4 miles)

  • Lowest 1 September, 2026

    75.2 °F

  • Average September

    84.9 °F

  • Highest 2 September, 2026

    100.4 °F

Climate (2021–2026)

Houston Executive Airport (12.4 miles)

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  • Average Low 2021–2026

    61.5 °F

  • Average 2021–2026

    71.3 °F

  • Average High 2021–2026

    82 °F
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