Steamboat Lake Weather Forecast

    • 55
    • 89

    Slight Chance Rain Showers

    • 54
    • 88

    Mostly Sunny

    • 53
    • 88

    Mostly Sunny

    • 55
    • 89

    Partly Sunny

    • 55
    • 90

    Partly Sunny

    • 53
    • 87

    Partly Sunny

Today 13 Aug Central Siskiyou County

Sunny. Slight chance of Showers this afternoon. Patchy smoke late this afternoon. Highs in the lower 80s to lower 90s. East Winds around 5 Mph shifting to the southwest this afternoon.

Tonight 13 Aug Central Siskiyou County

Partly cloudy with a 20 percent chance of Showers in the Evening, then clear after midnight. Lows in the mid 50s to lower 60s. Northwest Winds 5 to 10 Mph shifting to the southeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Steamboat Lake Temperature Statistics

August Temperature

Montague Siskiyou County Airport (5 miles)

  • Lowest 3 August, 2026

    51.7 °F

  • Average August

    77.2 °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

    39.4 °F

  • Average 2021–2026

    54 °F

  • Average High 2021–2026

    69.1 °F
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