Crystal Lake Weather Forecast
- 39
- 59
Rain Showers
- 41
- 59
Rain
- 45
- 66
Rain Showers
- 45
- 68
Partly Sunny
- 44
- 74
Mostly Sunny
- 45
- 77
Sunny
Crystal Lake Temperature Statistics
May Temperature
Mount Shasta (47.2 miles)
Lowest 17 May, 2026
38.6 °FAverage May
60.4 °FHighest 11 May, 2026
86.6 °F
Climate (2021–Present)
Mount Shasta (47.2 miles)
Average Low 2021–2026
39.7 °FAverage 2021–2026
52.7 °FAverage High 2021–2026
66 °F