Silver King Lake Weather Forecast

    • 37
    • 64

    Increasing Clouds

    • 34
    • 57

    Partly Sunny

    • 41
    • 64

    Partly Sunny

    • 39
    • 63

    Mostly Cloudy

    • 26
    • 44

    Chance Rain/Snow

    • 26
    • 41

    Chance Snow

Today 19 Oct Upper Blackfoot and MacDonald Pass

Warmer, sunny. Highs 58 to 66. South Winds up to 10 Mph with Gusts to around 25 Mph.

Tonight 19 Oct Upper Blackfoot and MacDonald Pass

Partly cloudy in the evening then becoming mostly cloudy. Lows 36 to 42. Southwest Winds up to 5 Mph.

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  • Temperature Real-Time

Silver King Lake Temperature Statistics

October Temperature

Helena Regional Airport (42.3 miles)

  • Lowest 13 October, 2026

    25.6 °F

  • Average October

    50.5 °F

  • Highest 9 October, 2026

    82.7 °F

Climate (2021–2026)

Helena Regional Airport (42.3 miles)

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  • Average Low 2021–2026

    36.3 °F

  • Average 2021–2026

    47.9 °F

  • Average High 2021–2026

    59.9 °F
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