Grand Lake Weather Forecast

    • 73
    • 100

    Slight Chance Thunderstorms

    • 74
    • 99

    Patchy Smoke

    • 75
    • 101

    Hot

    • 75
    • 101

    Hot

    • 75
    • 101

    Hot

    • 76
    • 100

    Hot

Today 27 Aug Stephens

Mostly sunny. Areas of smoke. A 20 percent chance of Showers and Thunderstorms in the afternoon. Hot with Highs around 100. North Winds 5 to 10 Mph.

Tonight 27 Aug Stephens

Mostly clear. Smoke. Lows in the mid 70s. Light and variable Winds.

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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

    90.4 °F

  • Highest 24 August, 2026

    109.4 °F

Climate (2021–2026)

Stephens County Airport (3.1 miles)

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  • Average Low 2021–2026

    57 °F

  • Average 2021–2026

    68.8 °F

  • Average High 2021–2026

    81.2 °F
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