Grand Lake Weather Forecast

    • 53
    • 75

    Becoming Sunny

    • 58
    • 80

    Mostly Sunny

    • 67
    • 83

    Mostly Cloudy

    • 72
    • 85

    Mostly Cloudy

    • 62
    • 85

    Rain Showers Likely

    • 59
    • 78

    Chance Rain Showers

Today 2 May Montgomery

Sunny. Not as cool with Highs in the mid 70s. North Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 2 May Montgomery

Clear. Lows in the lower 50s. North Winds around 5 Mph in the Evening, becoming light and variable.

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Grand Lake Temperature Statistics

May Temperature

Conroe, Montgomery County Airport (6.8 miles)

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  • Average May

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Climate (2021–Present)

Conroe, Montgomery County Airport (6.8 miles)

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  • Average Low 2021–2026

    58.7 °F

  • Average 2021–2026

    69.7 °F

  • Average High 2021–2026

    81.4 °F
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