Steamboat Lake Weather Forecast

    • 47
    • 83

    Mostly Sunny

    • 51
    • 88

    Increasing Clouds

    • 53
    • 86

    Partly Sunny

    • 54
    • 90

    Partly Sunny

    • 55
    • 90

    Mostly Sunny

    • 52
    • 88

    Mostly Sunny

    • 51
    • 86

    Mostly Sunny

Today 30 Sep Central Siskiyou County

Sunny. Highs in the mid 70s to mid 80s. North Winds 5 to 10 Mph.

Tonight 30 Sep Central Siskiyou County

Clear. Lows around 50. North Winds 5 to 10 Mph shifting to the east well after midnight.

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  • 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

    60.8 °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

    39.2 °F

  • Average 2021–2026

    53.9 °F

  • Average High 2021–2026

    69 °F
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