Grand Lake Weather Forecast

    • 28
    • 67

    Increasing Clouds

    • 27
    • 42

    Mostly Sunny

    • 44
    • 61

    Partly Sunny

    • 48
    • 69

    Mostly Sunny

    • 54
    • 76

    Sunny

    • 40
    • 72

    Mostly Sunny

Today 13 Dec Stephens

Mostly sunny. Highs in the mid 60s. South Winds around 5 Mph.

Tonight 13 Dec Stephens

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 20s. Northeast Winds 10 to 15 Mph.

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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

    47.7 °F

  • Highest 6 December, 2025

    72.5 °F

Climate (2020–Present)

Stephens County Airport (3.1 miles)

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  • Average Low 2020–2025

    56.4 °F

  • Average 2020–2025

    67.9 °F

  • Average High 2020–2025

    80.1 °F
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