Jumbo Mountain Weather Forecast

    • 30
    • 46

    Decreasing Clouds

    • 37
    • 53

    Partly Sunny

    • 40
    • 60

    Mostly Sunny

    • 44
    • 62

    Partly Sunny

    • 36
    • 62

    Chance Rain/Snow

    • 36
    • 54

    Chance Rain Showers

Today 22 May Gallatin and Madison County Mountains and Centennial Mountains

Not as cool. Mostly sunny. Highs 49 to 59. West Winds up to 10 Mph.

Tonight 22 May Gallatin and Madison County Mountains and Centennial Mountains

Mostly cloudy in the evening then becoming partly cloudy. Lows 31 to 37. Southwest Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Jumbo Mountain Temperature Statistics

May Temperature

Ennis - Big Sky Airport (18.6 miles)

  • Lowest 6 May, 2026

    19.4 °F

  • Average May

    49.7 °F

  • Highest 13 May, 2026

    84.2 °F

Climate (2021–Present)

Ennis - Big Sky Airport (18.6 miles)

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  • Average Low 2021–2026

    32.1 °F

  • Average 2021–2026

    44.6 °F

  • Average High 2021–2026

    56.5 °F
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