Racetrack Lake Weather Forecast

    • 43
    • 57

    Partly Sunny

    • 47
    • 65

    Becoming Sunny

    • 33
    • 64

    Partly Sunny

    • 33
    • 46

    Partly Sunny

    • 34
    • 49

    Chance Rain/Snow

    • 31
    • 43

    Partly Sunny

    • 33
    • 46

    Partly Sunny

Today 23 Sep Butte/Blackfoot Region

Mostly sunny. Highs in the upper 50s to mid 60s.

Tonight 23 Sep Butte/Blackfoot Region

Partly cloudy. Lows in the upper 30s to mid 40s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Racetrack Lake Temperature Statistics

September Temperature

Butte, Bert Mooney Airport (38.5 miles)

  • Lowest 15 September, 2026

    27.6 °F

  • Average September

    55.2 °F

  • Highest 1 September, 2026

    79.6 °F

Climate (2021–2026)

Butte, Bert Mooney Airport (38.5 miles)

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

  • Average Low 2021–2026

    28.5 °F

  • Average 2021–2026

    42.3 °F

  • Average High 2021–2026

    55.7 °F
Get WillyWeather+ to remove ads