Grant Lake Weather Forecast

    • 25
    • 48

    Increasing Clouds

    • 28
    • 55

    Mostly Sunny

    • 35
    • 61

    Chance Rain Showers

    • 24
    • 48

    Partly Sunny

    • 21
    • 41

    Mostly Sunny

    • 28
    • 50

    Mostly Sunny

Today 27 Jan Montgomery

Sunny in the Morning, then becoming mostly cloudy. Not as cool with Highs in the upper 40s. Southwest Winds around 5 Mph.

Tonight 27 Jan Montgomery

Partly cloudy in the Evening, then clearing. Cold with Lows in the mid 20s. Light and variable Winds.

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  • Temperature Real-Time

Grant Lake Temperature Statistics

January Temperature

Conroe, Montgomery County Airport (10.6 miles)

  • Lowest 18 January, 2026

    25.6 °F

  • Average January

    55.9 °F

  • Highest 2 January, 2026

    83.6 °F

Climate (2021–Present)

Conroe, Montgomery County Airport (10.6 miles)

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  • Average Low 2021–2026

    58.5 °F

  • Average 2021–2026

    69.4 °F

  • Average High 2021–2026

    81 °F
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