Allyn Weather Forecast

    • 44
    • 61

    Decreasing Clouds

    • 44
    • 58

    Mostly Cloudy

    • 39
    • 56

    Mostly Cloudy

    • 38
    • 59

    Mostly Sunny

    • 40
    • 61

    Partly Sunny

    • 40
    • 57

    Slight Chance Rain

Today 17 Oct Olympia and Southern Puget Sound

Cloudy with a chance of rain in the Morning, then sunny in the afternoon. Highs in the lower to mid 60s. Southwest wind 10 to 20 Mph becoming west 10 to 15 Mph in the afternoon.

Tonight 17 Oct Olympia and Southern Puget Sound

Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 30s to mid 40s. Light wind.

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Allyn Temperature Statistics

October Temperature

Bremerton, Bremerton National Airport (8.7 miles)

  • Lowest 12 October, 2026

    32 °F

  • Average October

    54.7 °F

  • Highest 4 October, 2026

    72 °F

Climate (2021–2026)

Bremerton, Bremerton National Airport (8.7 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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