Allyn Weather Forecast

    • 43
    • 51

    Rain Likely

    • 42
    • 56

    Rain Showers

    • 45
    • 62

    Mostly Cloudy

    • 46
    • 64

    Mostly Cloudy

    • 48
    • 65

    Partly Sunny

    • 49
    • 66

    Mostly Sunny

Today 15 May Olympia and Southern Puget Sound

Mostly cloudy in the Morning, then a chance of Showers late in the morning. 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 lower to mid 50s. Southwest wind 10 to 20 Mph.

Tonight 15 May Olympia and Southern Puget Sound

Showers and a slight chance of Thunderstorms in the Evening, then mostly cloudy with a chance of Showers after midnight. Rainfall Amounts a tenth to a quarter of an inch Possible, except higher Amounts possible in Thunderstorms. Lows near 40. Southwest wind 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Allyn Temperature Statistics

May Temperature

Bremerton, Bremerton National Airport (8.7 miles)

  • Lowest 9 May, 2026

    41 °F

  • Average May

    58.3 °F

  • Highest 3 May, 2026

    80.1 °F

Climate (2021–Present)

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

    60.1 °F
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