Triangle Park Weather Forecast

    • 32
    • 46

    Chance Rain/Snow

    • 25
    • 42

    Snow

    • 12
    • 31

    Snow Likely

    • 14
    • 29

    Partly Sunny

    • 22
    • 32

    Mostly Cloudy

    • 26
    • 38

    Mostly Cloudy

    • 28
    • 42

    Mostly Cloudy

Today 25 Dec Missoula/Bitterroot Valleys

Mostly cloudy. Areas of rain in the morning. Slight chance of rain late in the afternoon. Patchy fog early in the morning. Chance of rain 30 percent. Highs in the mid 40s.

Tonight 25 Dec Missoula/Bitterroot Valleys

Mostly cloudy with a 50 percent chance of rain. Lows near 30.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Triangle Park Temperature Statistics

December Temperature

Missoula, Missoula International Airport (5 miles)

  • Lowest 1 December, 2025

    17.1 °F

  • Average December

    36.2 °F

  • Highest 10 December, 2025

    55.9 °F

Climate (2020–Present)

Missoula, Missoula International Airport (5 miles)

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

  • Average Low 2020–2025

    35.9 °F

  • Average 2020–2025

    47.4 °F

  • Average High 2020–2025

    59.5 °F
Get WillyWeather+ to remove ads