Peterson Lake Weather Forecast

    • 50
    • 70

    Rain Likely

    • 50
    • 64

    Rain Showers Likely

    • 48
    • 60

    Chance Thunderstorms

    • 48
    • 63

    Partly Sunny

    • 46
    • 58

    Chance Thunderstorms

    • 47
    • 58

    Partly Sunny

Today 31 Jul Bitterroot/Sapphire Mountains

Partly cloudy. A 50 percent chance of Showers and Thunderstorms in the afternoon. Some Thunderstorms may produce gusty Winds and heavy rainfall. Highs in the upper 70s to mid 80s.

Tonight 31 Jul Bitterroot/Sapphire Mountains

Mostly cloudy with a 50 percent chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Some Thunderstorms may produce gusty Winds and heavy rainfall. Lows in the upper 40s to mid 50s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Peterson Lake Temperature Statistics

July Temperature

Missoula, Missoula International Airport (20.5 miles)

  • Lowest 6 July, 2025

    46.7 °F

  • Average July

    70.7 °F

  • Highest 8 July, 2025

    98.7 °F

Climate (2020–Present)

Missoula, Missoula International Airport (20.5 miles)

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

  • Average Low 2020–2025

    35.5 °F

  • Average 2020–2025

    47 °F

  • Average High 2020–2025

    59.2 °F
Get WillyWeather+ to remove ads