Throop Lake Weather Forecast
- 52
- 89
Increasing Clouds
- 53
- 92
Sunny
- 56
- 97
Hot
- 54
- 89
Chance Rain
- 51
- 87
Chance Rain
- 50
- 82
Rain Likely
Today 4 Sep Kootenai/Cabinet Region
Mostly sunny. Areas of smoke. Not as warm. Highs in the upper 70s to mid 80s. Northeast Winds to 15 Mph.
Tonight 4 Sep Kootenai/Cabinet Region
Mostly clear. Areas of smoke in the evening. Haze after midnight. Lows in the mid 40s to lower 50s.
Throop Lake Temperature Statistics
September Temperature
Boundary County Airport (29.2 miles)
Lowest 1 September, 2025
60.8 °FAverage September
75.4 °FHighest 1 September, 2025
89.6 °F
Climate (2020–Present)
Boundary County Airport (29.2 miles)
Average Low 2020–2025
37.4 °FAverage 2020–2025
46.9 °FAverage High 2020–2025
56.4 °F