Johnson Lake Weather Forecast

    • 51
    • 75

    Mostly Sunny

    • 62
    • 80

    Partly Sunny

    • 39
    • 85

    Partly Sunny

    • 37
    • 56

    Partly Sunny

    • 45
    • 66

    Partly Sunny

    • 52
    • 76

    Mostly Sunny

Today 13 Mar Montgomery

Sunny. Highs in the mid 70s. South Winds 5 to 10 Mph.

Tonight 13 Mar Montgomery

Mostly clear. Lows in the lower 50s. South Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnson Lake Temperature Statistics

March Temperature

Conroe, Montgomery County Airport (18 miles)

  • Lowest 8 March, 2026

    60.1 °F

  • Average March

    72.4 °F

  • Highest 3 March, 2026

    84.9 °F

Climate (2021–Present)

Conroe, Montgomery County Airport (18 miles)

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

  • Average Low 2021–2026

    58.6 °F

  • Average 2021–2026

    69.6 °F

  • Average High 2021–2026

    81.3 °F
Get WillyWeather+ to remove ads