Jumbo Mountain Weather Forecast

    • 49
    • 64

    Areas Smoke

    • 44
    • 61

    Mostly Cloudy

    • 46
    • 60

    Partly Sunny

    • 43
    • 57

    Chance Rain Showers

    • 43
    • 56

    Chance Rain Showers

    • 41
    • 53

    Rain Showers Likely

    • 40
    • 46

    Rain Showers Likely

Today 6 Sep Gallatin and Madison County Mountains and Centennial Mountains

Sunny. Haze through the day. Areas of smoke in the afternoon. Highs 65 to 75. Southwest Winds up to 10 Mph.

Tonight 6 Sep Gallatin and Madison County Mountains and Centennial Mountains

Mostly cloudy. Areas of smoke. Lows 45 to 55. South Winds up to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Jumbo Mountain Temperature Statistics

September Temperature

Ennis - Big Sky Airport (18.6 miles)

  • Lowest 1 September, 2025

    46.4 °F

  • Average September

    64.7 °F

  • Highest 2 September, 2025

    87.8 °F

Climate (2020–Present)

Ennis - Big Sky Airport (18.6 miles)

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

  • Average Low 2020–2025

    31.3 °F

  • Average 2020–2025

    43.7 °F

  • Average High 2020–2025

    55.7 °F
Get WillyWeather+ to remove ads