Upper Jefferson Lake Weather Forecast

    • 52
    • 66

    Areas Smoke

    • 52
    • 70

    Areas Smoke

    • 51
    • 66

    Rain

    • 49
    • 62

    Chance Rain

    • 53
    • 64

    Slight Chance Rain

    • 56
    • 67

    Partly Sunny

Today 18 Sep Olympics

Sunny. Areas of smoke. Freezing level near 12500 feet.

Tonight 18 Sep Olympics

Clear. Areas of smoke. Freezing level near 14000 feet.

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Upper Jefferson Lake Temperature Statistics

September Temperature

Bremerton, Bremerton National Airport (21.1 miles)

  • Lowest 15 September, 2025

    45 °F

  • Average September

    63.2 °F

  • Highest 16 September, 2025

    89.1 °F

Climate (2020–Present)

Bremerton, Bremerton National Airport (21.1 miles)

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  • Average Low 2020–2025

    42.1 °F

  • Average 2020–2025

    50.8 °F

  • Average High 2020–2025

    59.9 °F
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