Sprague Lake Weather Forecast
- 56
- 87
Mostly Sunny
- 55
- 88
Mostly Sunny
- 55
- 86
Mostly Sunny
- 45
- 75
Slight Chance Rain Showers
- 50
- 76
Mostly Sunny
- 54
- 84
Partly Sunny
Today 18 Sep Upper Columbia Basin
Sunny, haze. Highs in the lower to mid 80s. South wind 5 to 10 Mph.
Tonight 18 Sep Upper Columbia Basin
Mostly clear. Areas of smoke overnight. Lows in the 50s. Light Wind, becoming northwest 5 to 10 Mph overnight.
Sprague Lake Temperature Statistics
September Temperature
Fairchild Air Force Base (31.1 miles)
Lowest 15 September, 2025
51.4 °FAverage September
70.7 °FHighest 3 September, 2025
98.2 °F
Climate (2020–Present)
Fairchild Air Force Base (31.1 miles)
Average Low 2020–2025
39.2 °FAverage 2020–2025
49 °FAverage High 2020–2025
58.7 °F