Steamboat Lake Weather Forecast

    • 41
    • 79

    Sunny

    • 41
    • 79

    Mostly Sunny

    • 49
    • 82

    Breezy

    • 43
    • 82

    Breezy

    • 42
    • 79

    Partly Sunny

    • 39
    • 75

    Chance Rain Showers

Today 8 Sep Green Mountains and Rattlesnake Range

Sunny, breezy with Highs in the lower 70s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph, becoming west 15 to 25 Mph with Gusts up to 45 Mph in the afternoon.

Tonight 8 Sep Green Mountains and Rattlesnake Range

Clear. Lows in the mid 40s. West Winds around 10 Mph.

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  • Temperature Real-Time

Steamboat Lake Temperature Statistics

September Temperature

Casper, Natrona County International Airport (38.5 miles)

  • Lowest 4 September, 2026

    48.7 °F

  • Average September

    71.5 °F

  • Highest 4 September, 2026

    90.6 °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

    47.7 °F

  • Average High 2021–2026

    61.6 °F
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