Rainbow Lake Weather Forecast

    • 1
    • 6

    Cold

    • 3
    • 12

    Chance Snow

    • 11
    • 16

    Mostly Sunny

    • 18
    • 26

    Partly Sunny

    • 17
    • 27

    Partly Sunny

    • 20
    • 30

    Partly Sunny

    • 20
    • 29

    Mostly Cloudy

Today 23 Jan Butte/Blackfoot Region

Mostly cloudy. Highs 12 to 19.

Tonight 23 Jan Butte/Blackfoot Region

Mostly clear. Very cold. Lows 1 below to 6 above zero.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Rainbow Lake Temperature Statistics

January Temperature

Butte, Bert Mooney Airport (42.9 miles)

  • Lowest 21 January, 2026

    3.9 °F

  • Average January

    29.8 °F

  • Highest 14 January, 2026

    51.1 °F

Climate (2021–Present)

Butte, Bert Mooney Airport (42.9 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    28.1 °F

  • Average 2021–2026

    42 °F

  • Average High 2021–2026

    55.3 °F
Get WillyWeather+ to remove ads