East Boulder Lake Weather Forecast

    • 41
    • 66

    Mostly Sunny

    • 43
    • 56

    Mostly Sunny

    • 44
    • 61

    Mostly Sunny

    • 47
    • 65

    Sunny

    • 49
    • 69

    Mostly Sunny

    • 48
    • 70

    Mostly Sunny

Today 15 Sep Western Siskiyou County

Sunny. Highs in the lower 70s to lower 80s. Northeast Winds around 5 Mph shifting to the northwest in the afternoon.

Tonight 15 Sep Western Siskiyou County

Mostly clear. Lows in the mid 40s to lower 50s. North Winds 10 to 15 Mph shifting to the northeast around 5 Mph after midnight.

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East Boulder Lake Temperature Statistics

September Temperature

Trinity Center (17.4 miles)

  • Lowest 4 September, 2026

    42.8 °F

  • Average September

    63.5 °F

  • Highest 9 September, 2026

    95 °F

Climate (2021–2026)

Trinity Center (17.4 miles)

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  • Average Low 2021–2026

    42.8 °F

  • Average 2021–2026

    55.6 °F

  • Average High 2021–2026

    68.9 °F
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