Blue Lake Weather Forecast
- 45
- 74
Decreasing Clouds
- 43
- 65
Mostly Cloudy
- 46
- 65
Rain Showers Likely
- 43
- 69
Slight Chance Rain Showers
- 42
- 66
Partly Sunny
- 43
- 69
Slight Chance Rain Showers
Today 11 Sep Eastern McLean
Decreasing Clouds. A slight chance of Showers in the afternoon. Highs in the lower 70s. North Winds 5 to 10 Mph, increasing to 10 to 20 Mph. Chance of rain 20 percent.
Tonight 11 Sep Eastern McLean
Increasing Clouds. Lows in the mid 40s. Northwest Winds 5 to 15 Mph with Gusts up to 25 Mph.
Blue Lake Temperature Statistics
September Temperature
Garrison (32.3 miles)
Lowest 1 September, 2026
50.6 °FAverage September
70.9 °FHighest 4 September, 2026
91.7 °F
Climate (2021–2026)
Garrison (32.3 miles)
Average Low 2021–2026
31.3 °FAverage 2021–2026
42.6 °FAverage High 2021–2026
54.1 °F