Jackson Lake Weather Forecast

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    • 47

    Mostly Sunny

    • 47
    • 57

    Mostly Sunny

    • 50
    • 63

    Mostly Sunny

    • 57
    • 69

    Mostly Sunny

    • 52
    • 68

    Mostly Sunny

    • 45
    • 62

    Mostly Sunny

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    • 54

    Mostly Sunny

Today 6 Sep Western Siskiyou County

Partly cloudy with a slight chance of Thunderstorms early this Afternoon, then sunny with a slight chance of Showers late this afternoon. Highs in the mid 50s to mid 60s. Northwest Winds 5 to 10 Mph. Chance of precipitation 10 percent.

Tonight 6 Sep Western Siskiyou County

Clear. Lows in the lower to mid 40s. North Winds 5 to 10 Mph shifting to the northeast well after midnight.

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Jackson Lake Temperature Statistics

September Temperature

Trinity Center (23 miles)

  • Lowest 4 September, 2026

    42.8 °F

  • Average September

    56.6 °F

  • Highest 4 September, 2026

    69.8 °F

Climate (2021–2026)

Trinity Center (23 miles)

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  • Average Low 2021–2026

    42.8 °F

  • Average 2021–2026

    55.5 °F

  • Average High 2021–2026

    68.8 °F
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