Lake Siskiyou Weather Forecast

    • 63
    • 98

    Slight Chance Thunderstorms

    • 60
    • 95

    Slight Chance Thunderstorms

    • 58
    • 95

    Mostly Sunny

    • 60
    • 96

    Mostly Sunny

    • 55
    • 91

    Mostly Sunny

    • 55
    • 90

    Mostly Sunny

    • 58
    • 93

    Sunny

Today 17 Aug South Central Siskiyou County

Partly cloudy. A 10 percent chance of Thunderstorms this afternoon. Highs in the mid 80s to mid 90s. Southeast Winds around 5 Mph shifting to the south this afternoon.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Siskiyou Temperature Statistics

August Temperature

Mount Shasta (2.5 miles)

  • Lowest 11 August, 2022

    44.1 °F
  • Average August

    71.1 °F
  • Highest 4 August, 2022

    93.9 °F

Climate (2010–Present)

Mount Shasta (2.5 miles)

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  • Average Low 2010–Present

    39.6 °F
  • Average 2010–Present

    52.3 °F
  • Average High 2010–Present

    65.4 °F
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