Grant Lake Weather Forecast

    • 70
    • 95

    Sunny

    • 71
    • 95

    Mostly Sunny

    • 73
    • 95

    Mostly Sunny

    • 74
    • 95

    Mostly Sunny

    • 74
    • 96

    Partly Sunny

    • 73
    • 95

    Partly Sunny

    • 71
    • 92

    Mostly Sunny

Today 18 Sep Montgomery

Sunny, hot with Highs in the mid 90s. East Winds 5 to 10 Mph.

Tonight 18 Sep Montgomery

Clear. Lows in the lower 70s. Southeast Winds around 5 Mph in the Evening, becoming light and variable.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Grant Lake Temperature Statistics

September Temperature

Conroe, Montgomery County Airport (10.6 miles)

  • Lowest 16 September, 2026

    72 °F

  • Average September

    84.6 °F

  • Highest 8 September, 2026

    98.7 °F

Climate (2021–2026)

Conroe, Montgomery County Airport (10.6 miles)

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

  • Average Low 2021–2026

    58.9 °F

  • Average 2021–2026

    70.1 °F

  • Average High 2021–2026

    81.7 °F
Get WillyWeather+ to remove ads