Grand Lake Weather Forecast

    • 77
    • 101

    Hot

    • 76
    • 102

    Hot

    • 77
    • 102

    Hot

    • 78
    • 102

    Hot

    • 78
    • 103

    Hot

    • 77
    • 102

    Hot

Today 15 Aug Stephens

Sunny, hot with Highs around 101. South Winds 5 to 10 Mph.

Tonight 15 Aug Stephens

Mostly clear. Lows in the upper 70s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grand Lake Temperature Statistics

August Temperature

Stephens County Airport (3.1 miles)

  • Lowest 2 August, 2026

    65.8 °F

  • Average August

    89 °F

  • Highest 12 August, 2026

    103.3 °F

Climate (2021–2026)

Stephens County Airport (3.1 miles)

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  • Average Low 2021–2026

    56.9 °F

  • Average 2021–2026

    68.8 °F

  • Average High 2021–2026

    81.1 °F
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