Steamboat Lake Weather Forecast

    • 56
    • 89

    Mostly Sunny

    • 53
    • 90

    Mostly Sunny

    • 46
    • 84

    Mostly Sunny

    • 40
    • 66

    Chance Rain

    • 41
    • 68

    Mostly Sunny

    • 45
    • 74

    Mostly Sunny

Today 9 Sep Central Siskiyou County

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

Tonight 9 Sep Central Siskiyou County

Clear. Lows in the mid 50s to mid 60s. Northwest Winds around 5 Mph shifting to the west 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

    55.8 °F

  • Highest 1 September, 2026

    77.6 °F

Climate (2021–2026)

Montague Siskiyou County Airport (5 miles)

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  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    54 °F

  • Average High 2021–2026

    69 °F
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