Kilbrennan Lake Weather Forecast
- 61
- 84
Increasing Clouds
- 63
- 84
Chance Rain
- 62
- 83
Chance Rain Showers
- 63
- 86
Slight Chance Thunderstorms
- 64
- 86
Slight Chance Rain
- 65
- 89
Mostly Sunny
- 64
- 87
Mostly Sunny
Today 13 Jul Kootenai/Cabinet Region
Mostly cloudy. Highs in the upper 80s to mid 90s.
Tonight 13 Jul Kootenai/Cabinet Region
Partly cloudy. Lows in the mid 50s to lower 60s.
Kilbrennan Lake Temperature Statistics
July Temperature
Boundary County Airport (20.5 miles)
Lowest 2 July, 2026
46.4 °FAverage July
69.8 °FHighest 7 July, 2026
87.8 °F
Climate (2021–2026)
Boundary County Airport (20.5 miles)
Average Low 2021–2026
37.8 °FAverage 2021–2026
47.3 °FAverage High 2021–2026
56.6 °F