Steamboat Lake Weather Forecast

    • 50
    • 89

    Patchy Smoke

    • 49
    • 74

    Rain Showers Likely

    • 52
    • 65

    Rain

    • 42
    • 66

    Rain Likely

    • 41
    • 69

    Partly Sunny

    • 43
    • 73

    Mostly Sunny

Today 31 Aug Central Siskiyou County

Sunny. Highs in the lower 80s to lower 90s. In the shasta Valley, northeast Winds around 5 Mph shifting to the northwest late this Morning, then increasing to south 15 to 25 Mph this afternoon. Elsewhere, southeast Winds 15 to 25 Mph.

Tonight 31 Aug Central Siskiyou County

Partly cloudy in the evening then becoming mostly clear. Patchy smoke in the evening. Lows in the lower to mid 50s. South Winds 15 to 20 Mph becoming northwest 5 to 10 Mph late in the evening and overnight.

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Steamboat Lake Temperature Statistics

August Temperature

Montague Siskiyou County Airport (5 miles)

  • Lowest 16 August, 2026

    47.6 °F

  • Average August

    73.9 °F

  • Highest 7 August, 2026

    104.6 °F

Climate (2021–2026)

Montague Siskiyou County Airport (5 miles)

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  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    54 °F

  • Average High 2021–2026

    69.1 °F
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