Steamboat Lake Weather Forecast

    • 36
    • 74

    Breezy

    • 45
    • 77

    Chance Rain Showers

    • 42
    • 79

    Rain Showers Likely

    • 44
    • 76

    Chance Rain Showers

    • 39
    • 75

    Chance Rain Showers

    • 37
    • 73

    Mostly Sunny

Today 14 Sep Green Mountains and Rattlesnake Range

Sunny, windy with Highs in the upper 60s. West Winds 20 to 30 Mph with Gusts up to 50 Mph.

Tonight 14 Sep Green Mountains and Rattlesnake Range

Mostly clear and breezy. Lows in the upper 30s. Northwest Winds 20 to 25 Mph with Gusts up to 40 Mph, becoming northeast 10 to 15 Mph with Gusts up to 30 Mph after midnight.

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  • Temperature Real-Time

Steamboat Lake Temperature Statistics

September Temperature

Casper, Natrona County International Airport (38.5 miles)

  • Lowest 9 September, 2026

    36.6 °F

  • Average September

    67.5 °F

  • Highest 5 September, 2026

    91.7 °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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