Hearst Lake Weather Forecast

    • 4
    • 22

    Mostly Cloudy

    • 1
    • 8

    Cold

    • 8
    • 12

    Partly Sunny

    • 13
    • 23

    Mostly Sunny

    • 19
    • 26

    Partly Sunny

    • 19
    • 28

    Mostly Cloudy

Today 22 Jan Butte/Blackfoot Region

Mostly cloudy. Highs in the upper 20s to mid 30s. Northeast Winds to 15 Mph in the afternoon.

Tonight 22 Jan Butte/Blackfoot Region

Partly cloudy early in the evening then becoming mostly cloudy. Lows 1 to 8. Northeast Winds to 15 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hearst Lake Temperature Statistics

January Temperature

Butte, Bert Mooney Airport (29.2 miles)

  • Lowest 19 January, 2026

    7 °F

  • Average January

    30.5 °F

  • Highest 14 January, 2026

    51.1 °F

Climate (2021–Present)

Butte, Bert Mooney Airport (29.2 miles)

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  • Average Low 2021–2026

    28.1 °F

  • Average 2021–2026

    42 °F

  • Average High 2021–2026

    55.3 °F
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