Steamboat Lake Weather Forecast

    • 24
    • 44

    Freezing Fog

    • 25
    • 48

    Freezing Fog

    • 29
    • 48

    Mostly Cloudy

    • 35
    • 46

    Chance Rain

    • 33
    • 48

    Chance Rain

    • 32
    • 47

    Chance Rain/Snow

Today 29 Dec Central Siskiyou County

Sunny. Widespread freezing fog in the morning. Highs in the lower to mid 40s. North Winds around 5 Mph.

Tonight 29 Dec Central Siskiyou County

Mostly clear. Widespread freezing fog. Lows in the mid 20s to lower 30s. Northeast Winds around 5 Mph shifting to the southeast well after midnight.

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  • Temperature Forecast NOAA

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Steamboat Lake Temperature Statistics

December Temperature

Montague Siskiyou County Airport (5 miles)

  • Lowest 14 December, 2025

    21 °F

  • Average December

    39.1 °F

  • Highest 6 December, 2025

    57.9 °F

Climate (2020–Present)

Montague Siskiyou County Airport (5 miles)

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  • Average Low 2020–2025

    39.7 °F

  • Average 2020–2025

    54.2 °F

  • Average High 2020–2025

    68.9 °F
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