Deep Lake Weather Forecast

    • 43
    • 63

    Chance Rain Showers

    • 40
    • 59

    Rain Showers Likely

    • 42
    • 59

    Rain Showers Likely

    • 43
    • 64

    Chance Rain

    • 38
    • 61

    Chance Rain

    • 35
    • 51

    Rain Showers Likely

    • 37
    • 55

    Chance Rain Showers

Today 25 May Gallatin and Madison County Mountains and Centennial Mountains

Warmer. Mostly sunny with a 20 percent chance of Thunderstorms. Highs 65 to 77. South Winds 10 to 15 Mph with Gusts to around 35 Mph.

Tonight 25 May Gallatin and Madison County Mountains and Centennial Mountains

Mostly cloudy with a 20 percent chance of Thunderstorms early in the Evening, then partly cloudy in the late evening and overnight. Lows 42 to 50. Southeast Winds 5 to 15 Mph with Gusts to around 30 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Deep Lake Temperature Statistics

May Temperature

Ennis - Big Sky Airport (28 miles)

  • Lowest 6 May, 2026

    19.4 °F

  • Average May

    49.5 °F

  • Highest 13 May, 2026

    84.2 °F

Climate (2021–Present)

Ennis - Big Sky Airport (28 miles)

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

  • Average Low 2021–2026

    32.1 °F

  • Average 2021–2026

    44.6 °F

  • Average High 2021–2026

    56.6 °F
Get WillyWeather+ to remove ads