Steamboat Lake Weather Forecast

    • 57
    • 90

    Increasing Clouds

    • 56
    • 91

    Partly Sunny

    • 56
    • 92

    Mostly Sunny

    • 56
    • 92

    Mostly Sunny

    • 56
    • 93

    Partly Sunny

    • 53
    • 90

    Mostly Sunny

Today 16 Aug Central Siskiyou County

Sunny until early afternoon then becoming partly cloudy. Highs in the lower 80s to lower 90s. Southeast Winds around 5 Mph shifting to the southwest late this afternoon.

Tonight 16 Aug Central Siskiyou County

Mostly cloudy. Lows in the mid 50s to lower 60s. Northwest Winds around 5 Mph until well after midnight becoming light.

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Steamboat Lake Temperature Statistics

August Temperature

Montague Siskiyou County Airport (5 miles)

  • Lowest 3 August, 2026

    51.7 °F

  • Average August

    76.5 °F

  • Highest 7 August, 2026

    104.6 °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

    69.1 °F
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