Steamboat Lake Weather Forecast
- 41
- 63
Isolated Thunderstorms
- 43
- 72
Mostly Sunny
- 47
- 78
Partly Sunny
- 48
- 79
Mostly Sunny
- 47
- 79
Mostly Sunny
- 45
- 75
Mostly Sunny
- 47
- 80
Mostly Sunny
Today 17 Sep Green Mountains and Rattlesnake Range
Mostly cloudy with scattered Showers with isolated Thunderstorms. Near steady temperature in the upper 50s. North Winds around 10 Mph with Gusts up to 25 Mph. Chance of rain 30 percent.
Tonight 17 Sep Green Mountains and Rattlesnake Range
Partly cloudy in the Evening, then clearing. Lows around 40. Northeast Winds around 10 Mph with Gusts up to 20 Mph in the evening.
Steamboat Lake Temperature Statistics
September Temperature
Casper, Natrona County International Airport (38.5 miles)
Lowest 6 September, 2025
37.9 °FAverage September
65.5 °FHighest 10 September, 2025
90 °F
Climate (2020–Present)
Casper, Natrona County International Airport (38.5 miles)
Average Low 2020–2025
32.6 °FAverage 2020–2025
46.7 °FAverage High 2020–2025
60.3 °F