Bainbridge Island Weather Forecast

    • 53
    • 64

    Rain

    • 52
    • 66

    Mostly Cloudy

    • 52
    • 65

    Partly Sunny

    • 53
    • 68

    Mostly Sunny

    • 54
    • 71

    Mostly Sunny

    • 55
    • 75

    Mostly Sunny

Today 13 Sep Eastern Kitsap County

Rain in the Morning, then a chance of rain late in the morning. A slight chance of rain early in the afternoon. Rainfall Amounts a quarter to a half inch possible. Highs in the 60s. South wind 10 to 15 Mph.

Tonight 13 Sep Eastern Kitsap County

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 40s to mid 50s. South wind 10 to 15 Mph with Gusts to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bainbridge Island Temperature Statistics

September Temperature

Boeing Field - King County International Airport (10.6 miles)

  • Lowest 5 September, 2026

    53.1 °F

  • Average September

    63.1 °F

  • Highest 9 September, 2026

    78.1 °F

Climate (2021–2026)

Boeing Field - King County International Airport (10.6 miles)

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  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    54.2 °F

  • Average High 2021–2026

    61.6 °F
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