Johnsons Mountain Lake Weather Forecast

    • 69
    • 93

    Becoming Sunny

    • 69
    • 93

    Mostly Sunny

    • 69
    • 94

    Partly Sunny

    • 70
    • 93

    Slight Chance Thunderstorms

    • 70
    • 93

    Slight Chance Thunderstorms

    • 71
    • 92

    Chance Rain Showers

Today 16 Sep Washington

Sunny. Highs in the lower 90s. Northeast Winds around 5 Mph, becoming east around 5 Mph.

Tonight 16 Sep Washington

Mostly clear. Lows in the upper 60s. Southeast Winds around 5 Mph, becoming southwest around 5 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnsons Mountain Lake Temperature Statistics

September Temperature

Brenham, Brenham Municipal Airport (12.4 miles)

  • Lowest 9 September, 2025

    59.9 °F

  • Average September

    78.6 °F

  • Highest 4 September, 2025

    97.9 °F

Climate (2020–Present)

Brenham, Brenham Municipal Airport (12.4 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    60.4 °F

  • Average 2020–2025

    70.2 °F

  • Average High 2020–2025

    81 °F
Get WillyWeather+ to remove ads