Lake Siskiyou Weather Forecast

    • 30
    • 59

    Increasing Clouds

    • 33
    • 56

    Partly Sunny

    • 38
    • 64

    Partly Sunny

    • 39
    • 69

    Mostly Sunny

    • 41
    • 69

    Partly Sunny

    • 43
    • 68

    Partly Sunny

Today 9 Mar South Central Siskiyou County

Sunny. Highs in the mid 50s to mid 60s. North Winds 5 to 10 Mph.

Tonight 9 Mar South Central Siskiyou County

Partly cloudy. Lows in the mid 20s to lower 30s. Northwest Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Siskiyou Temperature Statistics

March Temperature

Mount Shasta (2.5 miles)

  • Lowest 2 March, 2026

    30 °F

  • Average March

    45 °F

  • Highest 7 March, 2026

    64 °F

Climate (2021–Present)

Mount Shasta (2.5 miles)

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  • Average Low 2021–2026

    39.7 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    65.8 °F
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