Steptoe Butte State Park Weather Forecast
- 51
- 81
Mostly Sunny
- 51
- 85
Sunny
- 54
- 92
Sunny
- 58
- 94
Mostly Sunny
- 59
- 95
Partly Sunny
- 60
- 95
Mostly Sunny
- 60
- 96
Partly Sunny
Today 20 Aug Washington Palouse
Sunny. Highs in the lower to mid 80s. West wind 5 to 15 Mph.
Tonight 20 Aug Washington Palouse
Mostly clear. Lows in the lower to mid 50s. West wind 5 to 10 Mph with Gusts up to 20 Mph in the Evening, becoming light and variable.
Steptoe Butte State Park Temperature Statistics
August Temperature
Pullman / Moscow Regional Airport (21.1 miles)
Lowest 8 August, 2025
45.6 °FAverage August
68.1 °FHighest 11 August, 2025
94.6 °F
Climate (2020–Present)
Pullman / Moscow Regional Airport (21.1 miles)
Average Low 2020–2025
39.1 °FAverage 2020–2025
49.2 °FAverage High 2020–2025
59.1 °F