Steamboat Lake Weather Forecast

    • 49
    • 83

    Rain Showers

    • 51
    • 86

    Mostly Sunny

    • 55
    • 90

    Mostly Sunny

    • 58
    • 91

    Slight Chance Thunderstorms

    • 57
    • 90

    Chance Rain Showers

    • 54
    • 87

    Chance Rain Showers

Today 18 Aug Green Mountains and Rattlesnake Range

Mostly cloudy with scattered Showers. Isolated Thunderstorms in the afternoon. Breezy with Highs in the upper 70s. West Winds 15 to 20 Mph. Chance of rain 30 percent.

Tonight 18 Aug Green Mountains and Rattlesnake Range

Partly cloudy. Scattered Showers in the evening. Lows in the lower 50s. West Winds 10 to 15 Mph with Gusts up to 25 Mph in the evening. 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

    72.1 °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

    61.5 °F
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