Steamboat Lake Weather Forecast

    • 55
    • 87

    Chance Thunderstorms

    • 50
    • 86

    Chance Rain Showers

    • 52
    • 89

    Sunny

    • 57
    • 95

    Sunny

    • 58
    • 96

    Sunny

    • 56
    • 94

    Sunny

    • 54
    • 93

    Sunny

Today 19 Jun Central Siskiyou County

Mostly cloudy with a 40 percent chance of Thunderstorms. Highs in the lower 80s to lower 90s. Southeast Winds around 5 Mph shifting to the south this afternoon.

Tonight 19 Jun Central Siskiyou County

Mostly cloudy until well after midnight then clearing. Chance of Thunderstorms this evening. Chance of Showers late this evening. Slight chance of rain after midnight. Lows in the mid 50s to lower 60s. Southwest Winds around 5 Mph. Chance of precipitation 30 percent.

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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

    66.5 °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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