Spar Lake Weather Forecast
- 50
- 69
Chance Rain
- 47
- 59
Chance Rain
- 47
- 55
Rain Likely
- 46
- 57
Rain Likely
- 47
- 64
Partly Sunny
- 49
- 68
Chance Rain
Today 29 May Kootenai/Cabinet Region
Partly cloudy. Highs in the upper 70s to mid 80s.
Tonight 29 May Kootenai/Cabinet Region
Mostly cloudy. A 20 percent chance of rain in the evening. Lows in the mid 40s to lower 50s.
Spar Lake Temperature Statistics
May Temperature
Sandpoint, Sandpoint Airport (28 miles)
Lowest 1 May, 2026
33.8 °FAverage May
56.6 °FHighest 12 May, 2026
80.6 °F
Climate (2021–Present)
Sandpoint, Sandpoint Airport (28 miles)
Average Low 2021–2026
37.2 °FAverage 2021–2026
47.1 °FAverage High 2021–2026
57.2 °F