Arrowhead Lake Weather Forecast

    • 60
    • 77

    Increasing Clouds

    • 64
    • 76

    Increasing Clouds

    • 62
    • 78

    Mostly Cloudy

    • 61
    • 77

    Partly Sunny

    • 62
    • 79

    Partly Sunny

    • 62
    • 79

    Mostly Cloudy

    • 55
    • 80

    Mostly Cloudy

Today 21 Dec Montgomery

Mostly sunny. Near steady temperature in the mid 70s. West Winds around 5 Mph.

Tonight 21 Dec Montgomery

Mostly cloudy. Areas of fog after midnight. Lows in the lower 60s. Light and variable Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Arrowhead Lake Temperature Statistics

December Temperature

Conroe, Montgomery County Airport (8.1 miles)

  • Lowest 15 December, 2025

    30 °F

  • Average December

    52.3 °F

  • Highest 13 December, 2025

    79 °F

Climate (2020–Present)

Conroe, Montgomery County Airport (8.1 miles)

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

  • Average Low 2020–2025

    58.3 °F

  • Average 2020–2025

    69.2 °F

  • Average High 2020–2025

    80.9 °F
Get WillyWeather+ to remove ads