Steamboat Lake Weather Forecast

    • 36
    • 77

    Sunny

    • 38
    • 72

    Increasing Clouds

    • 32
    • 62

    Breezy

    • 28
    • 64

    Breezy

    • 33
    • 72

    Sunny

    • 38
    • 77

    Sunny

    • 41
    • 81

    Sunny

Today 14 May Central Siskiyou County

Sunny. Highs in the lower 70s to lower 80s. Northwest Winds 5 to 10 Mph.

Tonight 14 May Central Siskiyou County

Clear. Lows in the mid 30s to lower 40s. Northwest Winds 10 to 20 Mph decreasing to 5 to 10 Mph after midnight.

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Steamboat Lake Temperature Statistics

May Temperature

Montague Siskiyou County Airport (5 miles)

  • Lowest 9 May, 2026

    36.6 °F

  • Average May

    63.6 °F

  • Highest 11 May, 2026

    88 °F

Climate (2021–Present)

Montague Siskiyou County Airport (5 miles)

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  • Average Low 2021–2026

    39.7 °F

  • Average 2021–2026

    54.3 °F

  • Average High 2021–2026

    69.2 °F
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