Stewart Lake Weather Forecast

    • 34
    • 62

    Increasing Clouds

    • 23
    • 39

    Snow

    • 25
    • 27

    Snow

    • 30
    • 35

    Mostly Cloudy

    • 32
    • 41

    Partly Sunny

    • 32
    • 40

    Chance Rain/Snow

Today 9 Oct Butte/Blackfoot Region

Mostly sunny. Highs in the mid 50s to lower 60s.

Tonight 9 Oct Butte/Blackfoot Region

Partly cloudy early in the evening then becoming mostly cloudy. Lows in the 30s. West Winds to 15 Mph with Gusts to around 30 Mph in the evening.

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  • Temperature Real-Time

Stewart Lake Temperature Statistics

October Temperature

Butte, Bert Mooney Airport (44.7 miles)

  • Lowest 7 October, 2026

    28.9 °F

  • Average October

    54.6 °F

  • Highest 5 October, 2026

    79 °F

Climate (2021–2026)

Butte, Bert Mooney Airport (44.7 miles)

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  • Average Low 2021–2026

    28.6 °F

  • Average 2021–2026

    42.3 °F

  • Average High 2021–2026

    55.8 °F
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