Steamboat Lake Weather Forecast

    • 49
    • 86

    Mostly Sunny

    • 46
    • 85

    Partly Sunny

    • 54
    • 89

    Mostly Sunny

    • 51
    • 89

    Breezy

    • 47
    • 80

    Slight Chance Thunderstorms

    • 43
    • 78

    Mostly Sunny

    • 40
    • 74

    Mostly Sunny

Today 9 May Central Siskiyou County

Sunny. Highs in the lower 80s to lower 90s. Northeast Winds around 5 Mph shifting to the north late this afternoon.

Tonight 9 May Central Siskiyou County

Partly cloudy in the evening then becoming mostly clear. Lows in the lower to mid 50s. Northwest Winds 5 to 10 Mph until well after midnight becoming light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Steamboat Lake Temperature Statistics

May Temperature

Montague Siskiyou County Airport (5 miles)

  • Lowest 1 May, 2026

    38.6 °F

  • Average May

    62.8 °F

  • Highest 6 May, 2026

    85.6 °F

Climate (2021–Present)

Montague Siskiyou County Airport (5 miles)

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

  • Average Low 2021–2026

    39.7 °F

  • Average 2021–2026

    54.3 °F

  • Average High 2021–2026

    69.2 °F
Get WillyWeather+ to remove ads