Summit Lake Weather Forecast

    • 22
    • 45

    Mostly Cloudy

    • 29
    • 50

    Rain/Snow Likely

    • 33
    • 53

    Rain Showers Likely

    • 32
    • 56

    Chance Rain Showers

    • 36
    • 64

    Partly Sunny

    • 39
    • 65

    Chance Rain

Today 26 Apr Potomac/Seeley Lake Region

Mostly cloudy. Slight chance of snow in the Morning, then a chance of rain and snow in the afternoon. Chance of precipitation 50 percent. Highs in the upper 30s to mid 40s.

Tonight 26 Apr Potomac/Seeley Lake Region

Mostly cloudy. A 20 percent chance of rain and snow in the evening. Widespread frost after midnight. Lows 18 to 25. East Winds to 15 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Summit Lake Temperature Statistics

April Temperature

Missoula, Missoula International Airport (37.9 miles)

  • Lowest 18 April, 2026

    25.6 °F

  • Average April

    46.1 °F

  • Highest 6 April, 2026

    70.6 °F

Climate (2021–Present)

Missoula, Missoula International Airport (37.9 miles)

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

  • Average Low 2021–2026

    36.1 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    59.8 °F
Get WillyWeather+ to remove ads