Grand Lake Weather Forecast

    • 58
    • 70

    Rain Showers

    • 60
    • 75

    Slight Chance Rain Showers

    • 66
    • 82

    Mostly Cloudy

    • 60
    • 84

    Chance Thunderstorms

    • 51
    • 75

    Slight Chance Rain Showers

    • 48
    • 74

    Mostly Sunny

Today 30 Oct Stephens

Showers. Highs in the upper 60s. Southeast Winds around 5 Mph. Chance of rain 90 percent.

Tonight 30 Oct Stephens

Cloudy with Showers likely. A slight chance of Thunderstorms after midnight. Lows in the upper 50s. East Winds around 5 Mph. Chance of rain 60 percent.

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Grand Lake Temperature Statistics

October Temperature

Stephens County Airport (3.1 miles)

  • Lowest 17 October, 2026

    41.5 °F

  • Average October

    70.5 °F

  • Highest 14 October, 2026

    91.4 °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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