Castle Lake Weather Forecast
- 55
- 69
Isolated Thunderstorms
- 51
- 66
Becoming Sunny
- 55
- 70
Sunny
- 53
- 74
Sunny
- 54
- 75
Sunny
- 50
- 73
Sunny
- 45
- 68
Mostly Sunny
Today 8 Jun South Central Siskiyou County
Partly cloudy. Isolated Showers early this afternoon. Isolated Thunderstorms late this afternoon. Highs in the lower 80s to lower 90s. North Winds around 5 Mph shifting to the southwest in the late morning and afternoon.
Tonight 8 Jun South Central Siskiyou County
Mostly clear with a slight chance of Thunderstorms early this Evening, then mostly cloudy late this evening and overnight. Lows in the lower to mid 50s. West Winds 5 to 10 Mph shifting to the northwest after midnight.
Castle Lake Temperature Statistics
June Temperature
Mount Shasta (6.8 miles)
Lowest 4 June, 2024
46.9 °FAverage June
68.9 °FHighest 6 June, 2024
93 °F
Climate (2019–Present)
Mount Shasta (6.8 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2019–2024
39.3 °FAverage 2019–2024
52 °FAverage High 2019–2024
65.1 °F