Allyn Weather Forecast

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    Rain Showers

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    Rain

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    Rain Likely

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    Rain Likely

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    Chance Rain

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    Chance Rain

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    Chance Rain

Today 21 Dec Olympia and Southern Puget Sound

Showers likely late in the Morning, then Showers in the afternoon. Rainfall Amounts a quarter to a half inch possible. Highs in the 40s. South wind 10 to 20 Mph.

Tonight 21 Dec Olympia and Southern Puget Sound

Rain at Times in the Evening, then mostly cloudy with a chance of rain after midnight. Rainfall Amounts a tenth to a quarter of an inch possible. Lows in the mid 30s to lower 40s. South wind 10 to 20 Mph.

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Allyn Temperature Statistics

December Temperature

Bremerton, Bremerton National Airport (8.7 miles)

  • Lowest 1 December, 2025

    30.9 °F

  • Average December

    46.3 °F

  • Highest 5 December, 2025

    55.9 °F

Climate (2020–Present)

Bremerton, Bremerton National Airport (8.7 miles)

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  • Average Low 2020–2025

    42.2 °F

  • Average 2020–2025

    50.9 °F

  • Average High 2020–2025

    60 °F
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