Island Lake Weather Forecast

    • 51
    • 59

    Mostly Cloudy

    • 49
    • 63

    Decreasing Clouds

    • 50
    • 68

    Mostly Sunny

    • 52
    • 72

    Chance Rain

    • 43
    • 59

    Slight Chance Rain

    • 47
    • 57

    Rain Likely

    • 45
    • 55

    Chance Rain

Today 13 Oct Eastern Kitsap County

Mostly cloudy with a slight chance of rain. Highs in the mid to upper 50s.

Tonight 13 Oct Eastern Kitsap County

Mostly cloudy. Lows in the upper 40s to mid 50s. South wind to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Island Lake Temperature Statistics

October Temperature

Bremerton, Bremerton National Airport (13 miles)

  • Lowest 11 October, 2026

    34 °F

  • Average October

    55.3 °F

  • Highest 4 October, 2026

    72 °F

Climate (2021–2026)

Bremerton, Bremerton National Airport (13 miles)

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  • Average Low 2021–2026

    42.4 °F

  • Average 2021–2026

    51.1 °F

  • Average High 2021–2026

    60 °F
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