Steamboat Lake Weather Forecast
- 52
- 87
Increasing Clouds
- 55
- 87
Mostly Cloudy
- 46
- 78
Breezy
- 45
- 78
Mostly Sunny
- 50
- 82
Partly Sunny
- 50
- 82
Slight Chance Thunderstorms
Today 5 Sep Green Mountains and Rattlesnake Range
Mostly sunny and breezy. Highs around 80. Southwest Winds 15 to 20 Mph with Gusts up to 35 Mph.
Tonight 5 Sep Green Mountains and Rattlesnake Range
Mostly clear. Lows in the mid 50s. South Winds around 10 Mph with Gusts up to 25 Mph.
Steamboat Lake Temperature Statistics
September Temperature
Casper, Natrona County International Airport (38.5 miles)
Lowest 1 September, 2026
58.6 °FAverage September
71.1 °FHighest 2 September, 2026
84 °F
Climate (2021–2026)
Casper, Natrona County International Airport (38.5 miles)
Average Low 2021–2026
33.3 °FAverage 2021–2026
47.7 °FAverage High 2021–2026
61.6 °F