McDonald Lake Weather Forecast

    • 54
    • 67

    Rain Showers

    • 54
    • 70

    Rain Showers Likely

    • 58
    • 77

    Slight Chance Rain Showers

    • 60
    • 83

    Mostly Sunny

    • 59
    • 84

    Mostly Sunny

    • 60
    • 84

    Partly Sunny

    • 60
    • 84

    Partly Sunny

Today 21 Jul Potomac/Seeley Lake Region

Rain Showers likely in the Morning, then rain Showers likely and a chance of Thunderstorms in the afternoon. Chance of precipitation 80 percent. Highs in the upper 60s to mid 70s.

Tonight 21 Jul Potomac/Seeley Lake Region

Rain Showers likely and a chance of Thunderstorms in the Evening, then Areas of rain after midnight. Patchy fog after midnight. Areas of fog late in the night. Chance of precipitation 70 percent. Lows in the mid 40s to lower 50s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

McDonald Lake Temperature Statistics

July Temperature

Missoula, Missoula International Airport (34.8 miles)

  • Lowest 6 July, 2025

    46.7 °F

  • Average July

    71.5 °F

  • Highest 8 July, 2025

    98.7 °F

Climate (2020–Present)

Missoula, Missoula International Airport (34.8 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