Georgetown Lake Weather Forecast

    • 22
    • 34

    Mostly Cloudy

    • 28
    • 39

    Mostly Cloudy

    • 27
    • 45

    Mostly Cloudy

    • 26
    • 45

    Mostly Cloudy

    • 21
    • 36

    Slight Chance Snow

    • 22
    • 37

    Partly Sunny

    • 26
    • 43

    Partly Sunny

Today 29 Jan Butte/Blackfoot Region

Mostly cloudy. Highs in the mid 30s to lower 40s. West Winds to 15 Mph in the afternoon.

Tonight 29 Jan Butte/Blackfoot Region

Mostly cloudy. Lows in the 20s.

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Georgetown Lake Temperature Statistics

January Temperature

Butte, Bert Mooney Airport (41 miles)

  • Lowest 24 January, 2026

    -6.4 °F

  • Average January

    26.8 °F

  • Highest 14 January, 2026

    52.6 °F

Climate (2021–Present)

Butte, Bert Mooney Airport (41 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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