Rock Creek Lake Weather Forecast

    • 51
    • 65

    Mostly Sunny

    • 52
    • 69

    Mostly Sunny

    • 51
    • 69

    Partly Sunny

    • 51
    • 70

    Mostly Sunny

    • 43
    • 60

    Mostly Sunny

    • 47
    • 63

    Mostly Sunny

    • 51
    • 70

    Mostly Sunny

Today 17 Sep Butte/Blackfoot Region

Mostly sunny. Patchy fog early in the morning. Highs in the upper 60s to mid 70s.

Tonight 17 Sep Butte/Blackfoot Region

Mostly clear. Patchy fog late in the night. Lows in the upper 30s to mid 40s.

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Rock Creek Lake Temperature Statistics

September Temperature

Butte, Bert Mooney Airport (38.5 miles)

  • Lowest 12 September, 2025

    37 °F

  • Average September

    58.7 °F

  • Highest 3 September, 2025

    88 °F

Climate (2020–Present)

Butte, Bert Mooney Airport (38.5 miles)

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  • Average Low 2020–2025

    27.7 °F

  • Average 2020–2025

    41.6 °F

  • Average High 2020–2025

    55 °F
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