Diamond Lake Weather Forecast

    • 32
    • 39

    Rain/Snow

    • 40
    • 49

    Mostly Sunny

    • 35
    • 53

    Breezy

    • 32
    • 39

    Chance Rain/Snow

    • 30
    • 35

    Rain/Snow Likely

    • 29
    • 33

    Chance Snow

Today 8 Sep West Glacier Region

Rain likely in the Morning, then Areas of rain early in the afternoon. Patchy fog in the morning. Chance of rain near 100 percent. Highs in the upper 40s to mid 50s.

Tonight 8 Sep West Glacier Region

Partly cloudy. Patchy fog in the evening. Areas of fog after midnight. Lows in the upper 30s to mid 40s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Diamond Lake Temperature Statistics

September Temperature

Missoula, Missoula International Airport (65.9 miles)

  • Lowest 1 September, 2026

    45.6 °F

  • Average September

    59.8 °F

  • Highest 1 September, 2026

    88.6 °F

Climate (2021–2026)

Missoula, Missoula International Airport (65.9 miles)

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

  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    59.8 °F
Get WillyWeather+ to remove ads