Steamboat Lake Weather Forecast

    • 46
    • 81

    Mostly Sunny

    • 46
    • 76

    Rain Showers

    • 48
    • 76

    Mostly Sunny

    • 49
    • 84

    Sunny

    • 50
    • 87

    Mostly Sunny

    • 50
    • 88

    Mostly Sunny

Today 15 Sep Central Siskiyou County

Sunny. Highs in the mid 70s to lower 80s. Northeast Winds around 5 Mph shifting to the north early this Afternoon, then increasing to 10 to 15 Mph late this afternoon.

Tonight 15 Sep Central Siskiyou County

Mostly clear. Lows in the mid 40s to lower 50s. North Winds 10 to 15 Mph decreasing to around 5 Mph well after midnight.

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Steamboat Lake Temperature Statistics

September Temperature

Montague Siskiyou County Airport (5 miles)

  • Lowest 4 September, 2026

    35.7 °F

  • Average September

    60.3 °F

  • Highest 10 September, 2026

    94.6 °F

Climate (2021–2026)

Montague Siskiyou County Airport (5 miles)

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  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    53.9 °F

  • Average High 2021–2026

    69 °F
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