Illahee State Park Weather Forecast

    • 33
    • 41

    Decreasing Clouds

    • 30
    • 44

    Mostly Sunny

    • 29
    • 44

    Partly Sunny

    • 31
    • 43

    Mostly Cloudy

    • 35
    • 44

    Slight Chance Rain/Snow

    • 39
    • 48

    Chance Rain

Today 22 Jan Eastern Kitsap County

Mostly cloudy. Widespread dense freezing fog in the morning. Widespread fog through the day. Highs near 40. Light wind.

Tonight 22 Jan Eastern Kitsap County

Mostly cloudy. Widespread dense fog in the late evening and early morning. Lows in the lower to mid 30s. Light wind.

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  • Temperature Real-Time

Illahee State Park Temperature Statistics

January Temperature

Bremerton, Bremerton National Airport (9.3 miles)

  • Lowest 19 January, 2026

    26.1 °F

  • Average January

    42.5 °F

  • Highest 17 January, 2026

    54 °F

Climate (2021–Present)

Bremerton, Bremerton National Airport (9.3 miles)

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  • Average Low 2021–2026

    42.2 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    60 °F
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