Island Park Weather Forecast

    • 49
    • 73

    Slight Chance Thunderstorms

    • 51
    • 72

    Mostly Sunny

    • 49
    • 75

    Slight Chance Thunderstorms

    • 48
    • 72

    Rain Showers Likely

    • 48
    • 68

    Rain Showers Likely

    • 48
    • 66

    Chance Thunderstorms

    • 49
    • 70

    Chance Thunderstorms

Today 26 Jul Bighorn Mountains West

Mostly cloudy with isolated Showers and Thunderstorms. Near steady temperature in the mid 70s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 26 Jul Bighorn Mountains West

Partly cloudy this Evening, then clearing. Lows in the mid 50s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming southeast after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Island Park Temperature Statistics

July Temperature

Buffalo - Johnson County Airport (28 miles)

  • Lowest 12 July, 2025

    46.7 °F

  • Average July

    71.6 °F

  • Highest 9 July, 2025

    97.6 °F

Climate (2020–Present)

Buffalo - Johnson County Airport (28 miles)

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

  • Average Low 2020–2025

    36.5 °F

  • Average 2020–2025

    47.7 °F

  • Average High 2020–2025

    58.8 °F
Get WillyWeather+ to remove ads