Swan Lake Weather Forecast

    • 41
    • 78

    Slight Chance Thunderstorms

    • 40
    • 74

    Chance Thunderstorms

    • 40
    • 69

    Chance Thunderstorms

    • 43
    • 74

    Mostly Sunny

    • 44
    • 81

    Partly Sunny

    • 40
    • 74

    Slight Chance Thunderstorms

    • 32
    • 66

    Chance Rain Showers

Today 15 Jun Gallatin and Madison County Mountains and Centennial Mountains

Partly cloudy in the Morning, then mostly cloudy with a 50 percent chance of Thunderstorms in the afternoon. Highs 65 to 75. Southeast Winds up to 5 Mph shifting to the southwest 5 to 15 Mph in the afternoon.

Tonight 15 Jun Gallatin and Madison County Mountains and Centennial Mountains

Colder. Mostly cloudy with slight chance of Thunderstorms in the Evening, then mostly clear with slight chance of rain Showers after midnight. Lows 40 to 45. West Winds 5 to 15 Mph shifting to the north after midnight. Chance of precipitation 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Swan Lake Temperature Statistics

June Temperature

West Yellowstone (29.8 miles)

  • Lowest 5 June, 2025

    24.8 °F

  • Average June

    53.3 °F

  • Highest 9 June, 2025

    78.8 °F

Climate (2020–Present)

West Yellowstone (29.8 miles)

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

  • Average Low 2020–2025

    33.3 °F

  • Average 2020–2025

    50.5 °F

  • Average High 2020–2025

    65.8 °F
Get WillyWeather+ to remove ads