Lake Siskiyou Weather Forecast

    • 47
    • 80

    Slight Chance Thunderstorms

    • 47
    • 85

    Mostly Sunny

    • 46
    • 82

    Mostly Sunny

    • 45
    • 77

    Partly Sunny

    • 36
    • 60

    Chance Rain Showers

    • 36
    • 59

    Chance Rain Showers

Today 15 May South Central Siskiyou County

Partly cloudy with isolated Thunderstorms. Highs in the lower 70s to lower 80s. North Winds 5 to 10 Mph. Chance of Thunderstorms 20 percent.

Tonight 15 May South Central Siskiyou County

Partly cloudy with isolated Thunderstorms in the Evening, then mostly clear after midnight. Lows in the lower 40s to lower 50s. North Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Siskiyou Temperature Statistics

May Temperature

Mount Shasta (2.5 miles)

  • Lowest 5 May, 2021

    37.9 °F

  • Average May

    58.3 °F

  • Highest 12 May, 2021

    84 °F

Climate (2010–Present)

Mount Shasta (2.5 miles)

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  • Average Low 2010–Present

    38.6 °F

  • Average 2010–Present

    51 °F

  • Average High 2010–Present

    63.4 °F
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