Silver King Lake Weather Forecast

    • 44
    • 61

    Increasing Clouds

    • 42
    • 67

    Rain Showers Likely

    • 41
    • 65

    Rain Showers Likely

    • 45
    • 65

    Rain Showers

    • 40
    • 58

    Rain Showers

    • 39
    • 60

    Slight Chance Rain Showers

    • 42
    • 65

    Partly Sunny

Today 3 Sep Upper Blackfoot and MacDonald Pass

Sunny. Near steady temperature around 60. Southwest Winds 5 to 15 Mph with Gusts to around 30 Mph.

Tonight 3 Sep Upper Blackfoot and MacDonald Pass

Mostly cloudy. Lows 43 to 49. Southwest Winds up to 5 Mph with Gusts to around 20 Mph shifting to the east after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Silver King Lake Temperature Statistics

September Temperature

Helena Regional Airport (42.3 miles)

  • Lowest 1 September, 2026

    48.9 °F

  • Average September

    65.9 °F

  • Highest 1 September, 2026

    84.9 °F

Climate (2021–2026)

Helena Regional Airport (42.3 miles)

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  • Average Low 2021–2026

    36.4 °F

  • Average 2021–2026

    48 °F

  • Average High 2021–2026

    60 °F
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