Colchester Weather Forecast

    • 49
    • 64

    Chance Rain Showers

    • 50
    • 67

    Partly Sunny

    • 51
    • 67

    Partly Sunny

    • 53
    • 71

    Partly Sunny

    • 54
    • 67

    Partly Sunny

    • 53
    • 66

    Partly Sunny

Today 3 Sep Eastern Kitsap County

Mostly cloudy. A chance of Showers in the Morning, then Showers late in the morning. A chance of Showers and a slight chance of Thunderstorms in the afternoon. Rainfall Amounts a tenth to a quarter of an inch Possible, except higher Amounts possible in Thunderstorms. Highs in the upper 50s to mid 60s. South wind to 10 Mph.

Tonight 3 Sep Eastern Kitsap County

Partly cloudy. Lows in the mid 40s to lower 50s. Light wind.

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Colchester Temperature Statistics

September Temperature

Bremerton, Bremerton National Airport (9.9 miles)

  • Lowest 1 September, 2026

    50 °F

  • Average September

    60.4 °F

  • Highest 1 September, 2026

    69.1 °F

Climate (2021–2026)

Bremerton, Bremerton National Airport (9.9 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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