Groves Lake Weather Forecast
- 47
- 75
Increasing Clouds
- 52
- 82
Mostly Cloudy
- 43
- 69
Rain Showers
- 41
- 65
Partly Sunny
- 41
- 66
Mostly Cloudy
- 43
- 67
Partly Sunny
Today 23 Sep Upper Columbia Basin
Mostly cloudy in the Morning, becoming partly cloudy. Highs in the lower to mid 70s. South wind 5 to 10 Mph.
Tonight 23 Sep Upper Columbia Basin
Partly cloudy. Lows in the mid 40s to lower 50s. Light Wind, becoming northeast 5 to 10 Mph overnight.
Groves Lake Temperature Statistics
September Temperature
Fairchild Air Force Base (31.1 miles)
Lowest 5 September, 2026
43.7 °FAverage September
60.1 °FHighest 21 September, 2026
84 °F
Climate (2021–2026)
Fairchild Air Force Base (31.1 miles)
Average Low 2021–2026
39.7 °FAverage 2021–2026
49.2 °FAverage High 2021–2026
58.6 °F