Bair Reservoir Weather Forecast

    • 29
    • 48

    Increasing Clouds

    • 36
    • 60

    Breezy

    • 23
    • 47

    Windy

    • 31
    • 47

    Chance Rain/Snow

    • 31
    • 51

    Slight Chance Rain

    • 35
    • 52

    Mostly Cloudy

Today 31 Oct Meagher County Valleys

Sunny. Highs 45 to 50. Southwest Winds up to 10 Mph.

Tonight 31 Oct Meagher County Valleys

Mostly cloudy. Lows 30 to 35. South Winds up to 10 Mph.

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Bair Reservoir Temperature Statistics

October Temperature

Lewistown, Lewistown Municipal Airport (60.9 miles)

  • Lowest 28 October, 2025

    24.1 °F

  • Average October

    45.1 °F

  • Highest 10 October, 2025

    75 °F

Climate (2020–Present)

Lewistown, Lewistown Municipal Airport (60.9 miles)

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  • Average Low 2020–2025

    32.4 °F

  • Average 2020–2025

    44.5 °F

  • Average High 2020–2025

    56.5 °F
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