Rainbow Lake Weather Forecast

    • 32
    • 45

    Mostly Sunny

    • 29
    • 43

    Mostly Sunny

    • 29
    • 40

    Partly Sunny

    • 28
    • 40

    Snow

    • 17
    • 28

    Snow Likely

    • 16
    • 26

    Chance Snow

Today 5 Feb Butte/Blackfoot Region

Mostly sunny. Highs in the 50s to lower 60s.

Tonight 5 Feb Butte/Blackfoot Region

Mostly clear. Lows in the upper 20s to mid 30s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rainbow Lake Temperature Statistics

February Temperature

Butte, Bert Mooney Airport (42.9 miles)

  • Lowest 1 February, 2026

    21 °F

  • Average February

    35.1 °F

  • Highest 1 February, 2026

    51.1 °F

Climate (2021–Present)

Butte, Bert Mooney Airport (42.9 miles)

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  • Average Low 2021–2026

    28.2 °F

  • Average 2021–2026

    42 °F

  • Average High 2021–2026

    55.3 °F
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