Steamboat Lake Weather Forecast

    • 50
    • 86

    Slight Chance Rain

    • 50
    • 87

    Mostly Sunny

    • 40
    • 82

    Slight Chance Rain

    • 37
    • 62

    Chance Rain

    • 39
    • 67

    Mostly Sunny

    • 44
    • 75

    Mostly Sunny

Today 23 May Central Siskiyou County

Sunny in the Morning, then partly cloudy with a 10 percent chance of rain in the afternoon. Highs in the lower 80s to lower 90s. Northeast Winds around 5 Mph shifting to the southeast late in the Morning, then shifting to the southwest in the afternoon.

Tonight 23 May Central Siskiyou County

Mostly cloudy with a slight chance of rain in the Evening, then partly cloudy after midnight. Lows in the lower to mid 50s. Northwest Winds 5 to 10 Mph shifting to the north well after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Steamboat Lake Temperature Statistics

May Temperature

Montague Siskiyou County Airport (5 miles)

  • Lowest 14 May, 2026

    34.6 °F

  • Average May

    60.5 °F

  • Highest 12 May, 2026

    89.7 °F

Climate (2021–Present)

Montague Siskiyou County Airport (5 miles)

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  • Average Low 2021–2026

    39.6 °F

  • Average 2021–2026

    54.3 °F

  • Average High 2021–2026

    69.2 °F
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