Steamboat Lake Weather Forecast

    • 49
    • 82

    Sunny

    • 52
    • 89

    Sunny

    • 53
    • 90

    Mostly Sunny

    • 56
    • 88

    Partly Sunny

    • 55
    • 85

    Partly Sunny

    • 54
    • 83

    Chance Rain Showers

Today 15 Sep Central Siskiyou County

Sunny. Highs in the mid 70s to mid 80s. Northeast Winds around 5 Mph.

Tonight 15 Sep Central Siskiyou County

Clear. Lows in the lower to mid 50s. Northeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Steamboat Lake Temperature Statistics

September Temperature

Montague Siskiyou County Airport (5 miles)

  • Lowest 1 September, 2025

    48 °F

  • Average September

    68.8 °F

  • Highest 1 September, 2025

    95 °F

Climate (2020–Present)

Montague Siskiyou County Airport (5 miles)

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  • Average Low 2020–2025

    39.6 °F

  • Average 2020–2025

    54.2 °F

  • Average High 2020–2025

    69 °F
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