Whetstone Lake Weather Forecast

    • 41
    • 64

    Mostly Sunny

    • 47
    • 69

    Partly Sunny

    • 45
    • 70

    Mostly Sunny

    • 40
    • 62

    Sunny

    • 45
    • 69

    Mostly Sunny

    • 48
    • 73

    Partly Sunny

Today 14 Jun Bitterroot/Sapphire Mountains

Mostly sunny. Highs in the upper 60s to mid 70s.

Tonight 14 Jun Bitterroot/Sapphire Mountains

Mostly clear. Lows in the upper 30s to mid 40s.

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  • Temperature Real-Time

Whetstone Lake Temperature Statistics

June Temperature

Butte, Bert Mooney Airport (54.1 miles)

  • Lowest 8 June, 2026

    28.7 °F

  • Average June

    52.7 °F

  • Highest 5 June, 2026

    80.7 °F

Climate (2021–Present)

Butte, Bert Mooney Airport (54.1 miles)

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  • Average Low 2021–2026

    28.5 °F

  • Average 2021–2026

    42.4 °F

  • Average High 2021–2026

    55.8 °F
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