Shawnee Lake Weather Forecast

    • 66
    • 92

    Chance Thunderstorms

    • 68
    • 93

    Partly Sunny

    • 69
    • 92

    Slight Chance Thunderstorms

    • 69
    • 91

    Chance Thunderstorms

    • 67
    • 89

    Chance Thunderstorms

    • 65
    • 87

    Chance Rain Showers

Today 19 Sep Nacogdoches

Partly cloudy with a slight chance of Showers. A slight chance of Thunderstorms in the afternoon. Highs in the lower 90s. West Winds around 5 Mph, becoming southeast in the afternoon. Chance of rain 20 percent.

Tonight 19 Sep Nacogdoches

Mostly clear. Lows in the upper 60s. Southeast Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Shawnee Lake Temperature Statistics

September Temperature

Nacogdoches, A L Mangham Jr. Regional Airport (9.3 miles)

  • Lowest 9 September, 2025

    55 °F

  • Average September

    77.1 °F

  • Highest 13 September, 2025

    93.9 °F

Climate (2020–Present)

Nacogdoches, A L Mangham Jr. Regional Airport (9.3 miles)

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  • Average Low 2020–2025

    56.3 °F

  • Average 2020–2025

    66.5 °F

  • Average High 2020–2025

    77.7 °F
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