Steamboat Lake Weather Forecast

    • 51
    • 87

    Sunny

    • 52
    • 87

    Mostly Sunny

    • 51
    • 86

    Mostly Sunny

    • 39
    • 80

    Breezy

    • 39
    • 66

    Mostly Sunny

Today 22 May Central Siskiyou County

Sunny. Highs in the lower 80s to lower 90s. North Winds around 5 Mph.

Tonight 22 May Central Siskiyou County

Mostly clear. Slight chance of Thunderstorms in the evening. Lows in the lower to mid 50s. North Winds 5 to 10 Mph shifting to the east 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

    60.3 °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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