Johnson Lake Weather Forecast

    • 81
    • 85

    Rain Showers Likely

    • 81
    • 87

    Rain Showers Likely

    • 81
    • 87

    Rain Showers Likely

    • 81
    • 87

    Chance Thunderstorms

    • 80
    • 87

    Chance Thunderstorms

    • 80
    • 87

    Chance Thunderstorms

Today 11 Sep Lower Jefferson

A chance of Thunderstorms. A chance of Showers this Morning, then Showers likely this afternoon. Highs in the upper 80s. West Winds around 5 Mph, becoming south this afternoon. Chance of rain 70 percent.

Tonight 11 Sep Lower Jefferson

Partly cloudy. A chance of Thunderstorms with a slight chance of Showers after midnight. Humid with Lows in the mid 70s. South Winds around 5 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnson Lake Temperature Statistics

September Temperature

Beaumont/Port Arthur Southeast Texas Regional Airport (13.7 miles)

  • Lowest 7 September, 2026

    74.6 °F

  • Average September

    83.8 °F

  • Highest 7 September, 2026

    95.6 °F

Climate (2021–2026)

Beaumont/Port Arthur Southeast Texas Regional Airport (13.7 miles)

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  • Average Low 2021–2026

    62.5 °F

  • Average 2021–2026

    71.2 °F

  • Average High 2021–2026

    81.4 °F
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