Gregg Lake Weather Forecast

    • 41
    • 74

    Sunny

    • 36
    • 61

    Mostly Sunny

    • 42
    • 64

    Mostly Sunny

    • 46
    • 71

    Mostly Sunny

    • 47
    • 72

    Mostly Sunny

    • 49
    • 73

    Partly Sunny

Today 17 Oct Box Butte

Sunny. Much warmer with Highs in the lower 70s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 17 Oct Box Butte

Mostly clear. Lows in the lower 40s. Southwest Winds 10 to 15 Mph.

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Gregg Lake Temperature Statistics

October Temperature

Chadron, Chadron Municipal Airport (29.2 miles)

  • Lowest 4 October, 2026

    37.9 °F

  • Average October

    59.5 °F

  • Highest 9 October, 2026

    91 °F

Climate (2021–2026)

Chadron, Chadron Municipal Airport (29.2 miles)

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  • Average Low 2021–2026

    35.9 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    64.2 °F
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