Grand Lake Weather Forecast

    • 46
    • 61

    Mostly Cloudy

    • 57
    • 78

    Mostly Sunny

    • 59
    • 82

    Mostly Sunny

    • 59
    • 82

    Partly Sunny

    • 60
    • 83

    Mostly Sunny

    • 58
    • 85

    Mostly Sunny

    • 47
    • 80

    Mostly Cloudy

Today 21 Dec Stephens

Partly sunny. Much cooler with Highs around 60. North Winds around 5 Mph.

Tonight 21 Dec Stephens

Mostly cloudy. Lows in the mid 40s. Light and variable Winds, becoming south around 5 Mph after midnight.

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Grand Lake Temperature Statistics

December Temperature

Stephens County Airport (3.1 miles)

  • Lowest 2 December, 2025

    23.7 °F

  • Average December

    49.3 °F

  • Highest 12 December, 2025

    74.3 °F

Climate (2020–Present)

Stephens County Airport (3.1 miles)

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  • Average Low 2020–2025

    56.4 °F

  • Average 2020–2025

    68 °F

  • Average High 2020–2025

    80.2 °F
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