Bass Lake Weather Forecast

    • 46
    • 82

    Mostly Sunny

    • 49
    • 85

    Mostly Cloudy

    • 37
    • 69

    Partly Sunny

    • 41
    • 72

    Partly Sunny

    • 38
    • 72

    Mostly Sunny

    • 40
    • 73

    Mostly Sunny

Today 23 Sep Central Siskiyou County

Partly cloudy early this morning then clearing. Highs in the mid 70s to mid 80s. East Winds around 5 Mph shifting to the north in the late morning and afternoon.

Tonight 23 Sep Central Siskiyou County

Mostly clear. Lows in the mid 40s to lower 50s. Northwest Winds 5 to 10 Mph in the evening becoming Light, then becoming south around 5 Mph well after midnight.

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Bass Lake Temperature Statistics

September Temperature

Montague Siskiyou County Airport (5 miles)

  • Lowest 4 September, 2026

    35.7 °F

  • Average September

    60.9 °F

  • Highest 10 September, 2026

    94.6 °F

Climate (2021–2026)

Montague Siskiyou County Airport (5 miles)

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  • Average Low 2021–2026

    39.2 °F

  • Average 2021–2026

    53.9 °F

  • Average High 2021–2026

    69 °F
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