Stewart Lake Weather Forecast

    • 57
    • 77

    Areas Smoke

    • 55
    • 76

    Mostly Sunny

    • 54
    • 74

    Mostly Sunny

    • 53
    • 73

    Mostly Sunny

    • 53
    • 73

    Mostly Sunny

    • 50
    • 71

    Mostly Sunny

Today 7 Aug Butte/Blackfoot Region

Sunny. Areas of smoke. Highs in the mid 80s to lower 90s. West Winds 15 to 20 Mph with Gusts to around 30 Mph.

Tonight 7 Aug Butte/Blackfoot Region

Mostly clear. Areas of smoke. Lows in the upper 40s to mid 50s. West Winds to 15 Mph with Gusts to around 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Stewart Lake Temperature Statistics

August Temperature

Butte, Bert Mooney Airport (44.7 miles)

  • Lowest 4 August, 2026

    37 °F

  • Average August

    63.8 °F

  • Highest 1 August, 2026

    95.6 °F

Climate (2021–2026)

Butte, Bert Mooney Airport (44.7 miles)

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  • Average Low 2021–2026

    28.4 °F

  • Average 2021–2026

    42.2 °F

  • Average High 2021–2026

    55.6 °F
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