Hearst Lake Weather Forecast

Today 24 Aug Butte/Blackfoot Region

Mostly sunny. Patchy smoke through the day. Highs in the mid 70s to lower 80s.

Tonight 24 Aug Butte/Blackfoot Region

Partly cloudy. Patchy smoke. Lows in the 40s to lower 50s.

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Hearst Lake Temperature Statistics

August Temperature

Butte, Bert Mooney Airport (29.2 miles)

  • Lowest 4 August, 2026

    36.6 °F

  • Average August

    64.1 °F

  • Highest 1 August, 2026

    95.6 °F

Climate (2021–2026)

Butte, Bert Mooney Airport (29.2 miles)

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  • Average Low 2021–2026

    28.4 °F

  • Average 2021–2026

    42.3 °F

  • Average High 2021–2026

    55.7 °F
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