Steamboat Lake Weather Forecast

    • 49
    • 85

    Chance Rain

    • 37
    • 68

    Partly Sunny

    • 40
    • 73

    Partly Sunny

    • 37
    • 72

    Mostly Sunny

    • 39
    • 72

    Mostly Sunny

    • 41
    • 77

    Mostly Sunny

    • 43
    • 80

    Mostly Sunny

Today 24 Sep Central Siskiyou County

Partly cloudy this morning then becoming mostly cloudy. Highs in the mid 70s to mid 80s. Southeast Winds 5 to 10 Mph shifting to the southwest 10 to 15 Mph late this afternoon.

Tonight 24 Sep Central Siskiyou County

Mostly cloudy. A 30 percent chance of rain late this evening and overnight. Lows in the mid 40s to lower 50s. West Winds 10 to 15 Mph. Gusts up to 30 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Steamboat Lake Temperature Statistics

September Temperature

Montague Siskiyou County Airport (5 miles)

  • Lowest 4 September, 2026

    35.7 °F

  • Average September

    61 °F

  • Highest 10 September, 2026

    94.6 °F

Climate (2021–2026)

Montague Siskiyou County Airport (5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    39.2 °F

  • Average 2021–2026

    53.9 °F

  • Average High 2021–2026

    69 °F
Get WillyWeather+ to remove ads