Steamboat Lake Weather Forecast

    • 49
    • 81

    Mostly Cloudy

    • 47
    • 79

    Slight Chance Thunderstorms

    • 48
    • 83

    Partly Sunny

    • 50
    • 85

    Partly Sunny

    • 47
    • 84

    Slight Chance Thunderstorms

    • 47
    • 82

    Slight Chance Thunderstorms

    • 49
    • 84

    Mostly Sunny

Today 14 Aug Green Mountains and Rattlesnake Range

Mostly cloudy and breezy. Highs in the mid 70s. West Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 14 Aug Green Mountains and Rattlesnake Range

Partly cloudy this Evening, then mostly cloudy with scattered Showers after midnight. Breezy with Lows in the lower 50s. West Winds 15 to 20 Mph with Gusts up to 35 Mph, becoming north around 10 Mph after midnight. Chance of rain 30 percent.

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Steamboat Lake Temperature Statistics

August Temperature

Casper, Natrona County International Airport (38.5 miles)

  • Lowest 5 August, 2026

    44.7 °F

  • Average August

    73.6 °F

  • Highest 2 August, 2026

    103.6 °F

Climate (2021–2026)

Casper, Natrona County International Airport (38.5 miles)

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  • Average Low 2021–2026

    33.3 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    61.6 °F
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