Big Blue Lake Weather Forecast
- 42
- 51
Chance Rain
- 36
- 54
Partly Sunny
- 44
- 59
Sunny
- 50
- 66
Mostly Sunny
- 50
- 67
Partly Sunny
- 45
- 62
Mostly Sunny
- 44
- 63
Sunny
Today 29 May Western Siskiyou County
Mostly cloudy until early afternoon then becoming partly cloudy. A 30 percent chance of rain. Highs in the mid 50s to mid 60s. Northwest Winds 5 to 10 Mph.
Tonight 29 May Western Siskiyou County
Partly cloudy early this evening then becoming mostly cloudy. A 10 percent chance of rain early this evening. Lows in the mid 40s. Northwest Winds 5 to 10 Mph.
Big Blue Lake Temperature Statistics
May Temperature
Trinity Center (28.6 miles)
Lowest 18 May, 2026
39.2 °FAverage May
63.4 °FHighest 11 May, 2026
87.8 °F
Climate (2021–Present)
Trinity Center (28.6 miles)
Average Low 2021–2026
41.8 °FAverage 2021–2026
54.2 °FAverage High 2021–2026
67.2 °F