Grand Lake Weather Forecast

    • 71
    • 93

    Chance Thunderstorms

    • 55
    • 84

    Rain Showers

    • 44
    • 64

    Breezy

    • 42
    • 64

    Mostly Sunny

    • 49
    • 71

    Mostly Sunny

    • 55
    • 80

    Mostly Sunny

    • 63
    • 82

    Mostly Sunny

Today 14 Oct Stephens

Mostly sunny. A 20 percent chance of Showers in the afternoon. Highs in the mid 80s.

Tonight 14 Oct Stephens

Partly cloudy this Evening, then becoming mostly cloudy. A 50 percent chance of Showers and Thunderstorms. Lows in the lower 70s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grand Lake Temperature Statistics

October Temperature

Stephens County Airport (3.1 miles)

  • Lowest 6 October, 2026

    57.6 °F

  • Average October

    74.7 °F

  • Highest 1 October, 2026

    91.2 °F

Climate (2021–2026)

Stephens County Airport (3.1 miles)

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  • Average Low 2021–2026

    57.2 °F

  • Average 2021–2026

    69.1 °F

  • Average High 2021–2026

    81.4 °F
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