Allyn Weather Forecast

    • 42
    • 44

    Rain

    • 39
    • 44

    Rain

    • 39
    • 44

    Rain

    • 37
    • 44

    Chance Rain

    • 34
    • 43

    Chance Rain

    • 34
    • 42

    Chance Rain

    • 36
    • 42

    Chance Rain

Today 20 Dec Olympia and Southern Puget Sound

Mostly cloudy with a chance of rain in the Morning, then rain in the afternoon. Rainfall Amounts a half inch to one inch possible. Highs in the 40s. South wind 10 to 20 Mph with Gusts to 30 Mph.

Tonight 20 Dec Olympia and Southern Puget Sound

Rain in the Evening, then rain likely after midnight. A chance of rain late in the night. Rainfall Amounts a quarter to a half inch possible. Lows near 40. South wind 10 to 15 Mph.

Graph Plots Open in Graphs
  • Temperature Forecast NOAA

  • Temperature Real-Time

Allyn Temperature Statistics

December Temperature

Bremerton, Bremerton National Airport (8.7 miles)

  • Lowest 1 December, 2025

    30.9 °F
  • Average December

    46.8 °F
  • Highest 5 December, 2025

    55.9 °F

Climate (2020–Present)

Bremerton, Bremerton National Airport (8.7 miles)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2020–2025

    42.2 °F
  • Average 2020–2025

    50.9 °F
  • Average High 2020–2025

    60 °F
Get WillyWeather+ to remove ads