Bainbridge Island Weather Forecast

    • 56
    • 67

    Rain Showers

    • 49
    • 58

    Rain Showers

    • 50
    • 61

    Partly Sunny

    • 54
    • 72

    Mostly Sunny

    • 49
    • 63

    Chance Rain Showers

    • 49
    • 60

    Slight Chance Rain Showers

    • 51
    • 61

    Slight Chance Rain Showers

Today 13 Sep Eastern Kitsap County

Mostly cloudy in the morning then becoming mostly sunny. Patchy fog in the morning. Highs in the 70s. Light wind becoming south around 10 Mph in the afternoon.

Tonight 13 Sep Eastern Kitsap County

Partly cloudy in the Evening, then mostly cloudy with a slight chance of Showers after midnight. Mostly cloudy with a chance of Showers in the morning. Lows in the 50s. Southwest wind to 10 Mph becoming south after midnight.

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Bainbridge Island Temperature Statistics

September Temperature

Boeing Field - King County International Airport (10.6 miles)

  • Lowest 11 September, 2025

    57 °F

  • Average September

    66 °F

  • Highest 3 September, 2025

    81 °F

Climate (2020–Present)

Boeing Field - King County International Airport (10.6 miles)

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  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    54 °F

  • Average High 2020–2025

    61.4 °F
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