Bair Reservoir Weather Forecast

    • 44
    • 60

    Partly Sunny

    • 44
    • 76

    Mostly Sunny

    • 50
    • 78

    Mostly Sunny

    • 50
    • 83

    Partly Sunny

    • 50
    • 79

    Partly Sunny

    • 48
    • 75

    Chance Thunderstorms

    • 46
    • 73

    Chance Thunderstorms

Today 16 Jul Meagher County Valleys

Warmer. Mostly cloudy early in the morning then becoming partly cloudy. A 20 percent chance of rain Showers. Highs 60 to 70. East Winds 5 to 15 Mph.

Tonight 16 Jul Meagher County Valleys

Mostly clear. Patchy fog after midnight. Lows 40 to 45. East Winds 5 to 15 Mph.

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Bair Reservoir Temperature Statistics

July Temperature

Lewistown, Lewistown Municipal Airport (60.9 miles)

  • Lowest 6 July, 2025

    44.7 °F

  • Average July

    68.1 °F

  • Highest 8 July, 2025

    93.7 °F

Climate (2020–Present)

Lewistown, Lewistown Municipal Airport (60.9 miles)

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  • Average Low 2020–2025

    32.3 °F

  • Average 2020–2025

    44.4 °F

  • Average High 2020–2025

    56.4 °F
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