Grants Lake Weather Forecast

    • 33
    • 57

    Sunny

    • 41
    • 66

    Mostly Sunny

    • 52
    • 63

    Rain Showers Likely

    • 51
    • 62

    Rain Showers

    • 47
    • 65

    Mostly Cloudy

    • 55
    • 67

    Chance Rain Showers

    • 44
    • 69

    Chance Rain Showers

Today 18 Jan Montgomery

Sunny. Highs in the upper 50s. West Winds around 5 Mph.

Tonight 18 Jan Montgomery

Clear. Patchy frost after midnight. Lows in the lower 30s. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grants Lake Temperature Statistics

January Temperature

Conroe, Montgomery County Airport (9.9 miles)

  • Lowest 11 January, 2026

    33.1 °F

  • Average January

    57.7 °F

  • Highest 2 January, 2026

    82.9 °F

Climate (2021–Present)

Conroe, Montgomery County Airport (9.9 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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