Steamboat Lake Weather Forecast

    • 46
    • 84

    Partly Sunny

    • 53
    • 89

    Mostly Sunny

    • 51
    • 90

    Breezy

    • 46
    • 78

    Chance Rain

    • 42
    • 75

    Slight Chance Rain

    • 40
    • 74

    Partly Sunny

    • 38
    • 72

    Mostly Sunny

Today 10 May Central Siskiyou County

Partly cloudy. Highs in the mid 70s to mid 80s. Northwest Winds 5 to 10 Mph.

Tonight 10 May Central Siskiyou County

Partly cloudy this evening then clearing. Lows in the mid 40s to lower 50s. North Winds 10 to 20 Mph decreasing to 5 to 10 Mph with Gusts to around 30 Mph in the late evening and early Morning, then becoming light well after midnight.

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Steamboat Lake Temperature Statistics

May Temperature

Montague Siskiyou County Airport (5 miles)

  • Lowest 1 May, 2026

    38.6 °F
  • Average May

    62.5 °F
  • Highest 6 May, 2026

    85.6 °F

Climate (2021–Present)

Montague Siskiyou County Airport (5 miles)

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  • Average Low 2021–2026

    39.7 °F
  • Average 2021–2026

    54.3 °F
  • Average High 2021–2026

    69.2 °F
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