Castle Lake Weather Forecast

    • 31
    • 35

    Blizzard

    • 28
    • 37

    Rain

    • 24
    • 29

    Snow Showers Likely

    • 27
    • 30

    Snow Showers Likely

    • 27
    • 31

    Snow Showers

    • 26
    • 29

    Snow Showers Likely

Today 21 Nov South Central Siskiyou County

Areas of blowing snow early this morning. Patchy blowing snow late this morning. Rain and snow. Precipitation may be heavy at Times. Visibility one quarter mile or less at Times this morning. Snow level 4000 feet. Snow accumulation of 3 to 6 Inches. Ice accumulation of less than one quarter of an inch. Highs in the mid 30s to lower 40s. Breezy. Southwest Winds 15 to 25 Mph decreasing to 10 to 15 Mph late this afternoon. Chance of precipitation near 100 percent.

Tonight 21 Nov South Central Siskiyou County

Rain. Rain may be heavy at Times. Ice accumulation of less than one quarter of an inch. Lows in the lower to mid 30s. Breezy. South Winds 15 to 25 Mph. Gusts up to 40 Mph after midnight. Chance of rain near 100 percent.

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Castle Lake Temperature Statistics

November Temperature

Mount Shasta (6.8 miles)

  • Lowest 19 November, 2024

    25 °F

  • Average November

    41.5 °F

  • Highest 8 November, 2024

    64.7 °F

Climate (2019–Present)

Mount Shasta (6.8 miles)

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  • Average Low 2019–2024

    39.5 °F

  • Average 2019–2024

    52.3 °F

  • Average High 2019–2024

    65.4 °F
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