Steamboat Lake Weather Forecast
- 55
- 92
Decreasing Clouds
- 54
- 91
Mostly Sunny
- 52
- 89
Mostly Sunny
- 51
- 89
Mostly Sunny
- 49
- 84
Mostly Sunny
- 51
- 87
Mostly Sunny
Today 25 Aug Central Siskiyou County
Partly cloudy late this morning then clearing. Highs in the mid 80s to mid 90s. In the shasta Valley, northeast Winds around 5 Mph increasing to south 10 to 20 Mph early this Afternoon, then increasing to 20 to 25 Mph late this afternoon. Elsewhere, east Winds around 5 Mph increasing to south 10 to 20 Mph this afternoon.
Tonight 25 Aug Central Siskiyou County
Mostly clear in the evening then becoming partly cloudy. Lows in the mid 50s to lower 60s. Southwest Winds 10 to 15 Mph shifting to the northwest 5 to 10 Mph late in the evening and overnight.
Steamboat Lake Temperature Statistics
August Temperature
Montague Siskiyou County Airport (5 miles)
Lowest 16 August, 2026
47.6 °FAverage August
75.1 °FHighest 7 August, 2026
104.6 °F
Climate (2021–2026)
Montague Siskiyou County Airport (5 miles)
Average Low 2021–2026
39.3 °FAverage 2021–2026
54 °FAverage High 2021–2026
69.1 °F