John Ball Reservoir Weather Forecast

    • 53
    • 78

    Increasing Clouds

    • 46
    • 81

    Breezy

    • 48
    • 76

    Mostly Sunny

    • 57
    • 90

    Partly Sunny

    • 52
    • 83

    Partly Sunny

    • 50
    • 82

    Partly Sunny

Today 10 May McCone

Mostly sunny. Highs in the mid 70s. South wind around 5 Mph.

Tonight 10 May McCone

Mostly cloudy. Lows in the lower 40s. East wind around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

John Ball Reservoir Temperature Statistics

May Temperature

Wolf Point, Clayton Airport (36 miles)

  • Lowest 6 May, 2026

    15.7 °F

  • Average May

    46.5 °F

  • Highest 3 May, 2026

    79.6 °F

Climate (2021–Present)

Wolf Point, Clayton Airport (36 miles)

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  • Average Low 2021–2026

    31.2 °F

  • Average 2021–2026

    44.7 °F

  • Average High 2021–2026

    57.8 °F
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