Castle Lake Weather Forecast
- 38
- 48
Mostly Sunny
- 33
- 42
Partly Sunny
- 33
- 41
Mostly Cloudy
- 23
- 34
Snow Showers
- 23
- 29
Snow Showers
- 26
- 32
Snow Showers Likely
Today 19 Mar South Central Siskiyou County
Sunny then becoming partly cloudy late this morning then becoming sunny then becoming partly cloudy late this afternoon. Highs in the lower 60s to lower 70s. Northeast Winds around 5 Mph shifting to the south this afternoon.
Tonight 19 Mar South Central Siskiyou County
Mostly clear in the Evening, then partly cloudy with a 20 percent chance of rain Showers after midnight. Lows around 40. Southwest Winds around 5 Mph.
Castle Lake Temperature Statistics
March Temperature
Mount Shasta (6.8 miles)
Lowest 4 March, 2024
20.8 °FAverage March
39.2 °FHighest 16 March, 2024
66 °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
51.9 °FAverage High 2019–2024
64.9 °F