Steamboat Lake Weather Forecast

    • 43
    • 77

    Decreasing Clouds

    • 42
    • 78

    Mostly Sunny

    • 44
    • 79

    Mostly Sunny

    • 47
    • 83

    Mostly Sunny

    • 50
    • 86

    Sunny

    • 54
    • 92

    Mostly Sunny

Today 29 Jun Central Siskiyou County

Partly cloudy. Highs in the lower 70s to lower 80s. North Winds 5 to 10 Mph.

Tonight 29 Jun Central Siskiyou County

Mostly clear. Lows in the lower to mid 40s. North Winds 10 to 15 Mph decreasing to around 5 Mph well after midnight.

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Steamboat Lake Temperature Statistics

June Temperature

Montague Siskiyou County Airport (5 miles)

  • Lowest 1 June, 2026

    38.6 °F

  • Average June

    68.3 °F

  • Highest 15 June, 2026

    98.7 °F

Climate (2021–2026)

Montague Siskiyou County Airport (5 miles)

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  • Average Low 2021–2026

    39.6 °F

  • Average 2021–2026

    54.2 °F

  • Average High 2021–2026

    69.2 °F
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