Grant Lake Weather Forecast

    • 65
    • 79

    Slight Chance Rain Showers

    • 65
    • 84

    Partly Sunny

    • 68
    • 84

    Mostly Cloudy

    • 55
    • 79

    Rain Showers

    • 52
    • 74

    Mostly Sunny

    • 51
    • 77

    Mostly Sunny

    • 49
    • 75

    Partly Sunny

Today 31 Oct Montgomery

Partly sunny with a slight chance of Showers and Thunderstorms. Near steady temperature in the upper 70s. North Winds around 5 Mph. Chance of rain 20 percent.

Tonight 31 Oct Montgomery

Partly cloudy with a slight chance of Showers in the Evening, then mostly cloudy after midnight. Patchy fog after midnight. Lows in the mid 60s. Northeast Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grant Lake Temperature Statistics

October Temperature

Conroe, Montgomery County Airport (10.6 miles)

  • Lowest 18 October, 2026

    45.6 °F

  • Average October

    73.6 °F

  • Highest 13 October, 2026

    95.6 °F

Climate (2021–2026)

Conroe, Montgomery County Airport (10.6 miles)

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  • Average Low 2021–2026

    59 °F

  • Average 2021–2026

    70.2 °F

  • Average High 2021–2026

    81.9 °F
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