Rock Creek Lake Weather Forecast

    • 46
    • 59

    Mostly Sunny

    • 49
    • 69

    Rain

    • 46
    • 60

    Rain Showers

    • 45
    • 59

    Chance Rain Showers

    • 47
    • 63

    Mostly Sunny

    • 46
    • 65

    Mostly Sunny

Today 16 Sep Butte/Blackfoot Region

Mostly sunny. Highs in the upper 60s to mid 70s.

Tonight 16 Sep Butte/Blackfoot Region

Mostly clear. Patchy fog late in the night. Lows in the upper 30s to mid 40s. Northeast Winds to 15 Mph in the evening.

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  • Temperature Real-Time

Rock Creek Lake Temperature Statistics

September Temperature

Butte, Bert Mooney Airport (38.5 miles)

  • Lowest 9 September, 2026

    31.6 °F

  • Average September

    55.7 °F

  • Highest 1 September, 2026

    79.6 °F

Climate (2021–2026)

Butte, Bert Mooney Airport (38.5 miles)

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  • Average Low 2021–2026

    28.5 °F

  • Average 2021–2026

    42.3 °F

  • Average High 2021–2026

    55.7 °F
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