Jackson Lake Weather Forecast

    • 53
    • 68

    Sunny

    • 52
    • 69

    Sunny

    • 53
    • 69

    Partly Sunny

    • 50
    • 60

    Partly Sunny

    • 49
    • 61

    Mostly Sunny

    • 50
    • 64

    Mostly Sunny

Today 16 Sep Western Siskiyou County

Sunny. Highs in the lower 80s to lower 90s. Southeast Winds 5 to 10 Mph shifting to the south this afternoon.

Tonight 16 Sep Western Siskiyou County

Clear. Lows in the mid 50s to lower 60s. Southwest Winds around 5 Mph shifting to the east after midnight.

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Jackson Lake Temperature Statistics

September Temperature

Trinity Center (23 miles)

  • Lowest 14 September, 2025

    50 °F

  • Average September

    69.2 °F

  • Highest 1 September, 2025

    95 °F

Climate (2020–Present)

Trinity Center (23 miles)

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  • Average Low 2020–2025

    42.2 °F

  • Average 2020–2025

    55.1 °F

  • Average High 2020–2025

    68.5 °F
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