Rock Creek Lake Weather Forecast

    • 43
    • 54

    Slight Chance Rain

    • 45
    • 55

    Mostly Cloudy

    • 44
    • 64

    Mostly Sunny

    • 47
    • 61

    Mostly Sunny

    • 52
    • 67

    Mostly Sunny

    • 50
    • 68

    Partly Sunny

    • 48
    • 63

    Mostly Sunny

Today 30 Sep Butte/Blackfoot Region

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

Tonight 30 Sep Butte/Blackfoot Region

Partly cloudy. Patchy fog after midnight. Lows in the mid 30s to lower 40s. Northwest Winds to 15 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rock Creek Lake Temperature Statistics

September Temperature

Butte, Bert Mooney Airport (38.5 miles)

  • Lowest 15 September, 2026

    27.6 °F

  • Average September

    54.7 °F

  • Highest 25 September, 2026

    80.7 °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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